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Episode: 2269
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Title: HPR2269: Chocolate Milk
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Source: https://hub.hackerpublicradio.org/ccdn.php?filename=/eps/hpr2269/hpr2269.mp3
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Transcribed: 2025-10-19 00:40:48
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---
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This is HBR Episode 2269 entitled Chocolate Milk.
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It is posted my first time postman on and in about 42 minutes long and carrying a clean
|
||||
flag.
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||||
The summary is a sample show of the Nixon podcast, Adam's story, Milky Chocolate, Unicomp,
|
||||
and Plan 9.
|
||||
This episode of HBR is brought to you by An Honest Host.com.
|
||||
With 15% discount on all shared hosting with the offer code HBR15, that's HBR15.
|
||||
Better web hosting that's honest and fair at An Honest Host.com.
|
||||
And this episode will discuss with Adam about three things, Unicomp, Plan 9, and Chocolate
|
||||
Milk.
|
||||
The M faces of the discussion is on Plan 9, an operating system that intrigues many and
|
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the Unics real.
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Plan 9 has a deep, two-way relation or connection with Unics, both as being inspired by it and
|
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by inspiring it.
|
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And we also took the liberty to discuss other topics for the leisure and enjoyment of
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the listener.
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And I was surprised by how composed, calm, and serious Adam was from my small previous
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encounter with him.
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I thought he would be different, but my assumptions were wrong, don't judge others.
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He knows his subjects to the core and is truly passionate about them.
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I've learned quite a lot during this podcast and here we go.
|
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I'm VNAM and the company of Adam slash APK and you're listening to the Nixers podcast.
|
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So who's this Adam slash APK guy?
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Which one do you prefer?
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Adam or APK?
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||||
Adam, I guess.
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He doesn't really have any preference, but Adam's my name, so.
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Why do you switch to APK instead of APK?
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I don't know, I got bored and I think APK is like a bit more Unix-y, you know, like
|
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Dennis Richie used DMR and then I guess Ken used Ken, but that's because it's three
|
||||
letters.
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I don't know, I got bored of Adam slash his name.
|
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He's an infamous or famous forums member that is quite eccentric.
|
||||
He's most noticeable for his true love of Unicompan Plan 9.
|
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And one day on IRC he even went on Howard's epic story telling of the Plan 9 history.
|
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And you can find the story log and the show notes if it interests you.
|
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Let's start with Unicompan, which is a mechanical keyboard.
|
||||
And for those who don't know mechanical keyboards are popular and the computing word in general.
|
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Especially with Unix users, as they tend to have more textual interface and spend most
|
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of the time typing.
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There's also a lot of keyboard layouts and keyboards where they remove many keys, 10 key
|
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less, 10% less.
|
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Yeah, let's, how about the Unicompan first?
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I think the Unicompan needs you want to talk about, not just the Unicompan, but what
|
||||
I do with the Unicompan, I guess, so.
|
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In my knowledge, the Unicompan is like this, not so old company, but like in the 90s
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and they have this infamous IBM model M, where it has the sort of buckling string, versus
|
||||
a sort of tube inside and you have the spring doing a sort of clicky sound.
|
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It's sort of like different than the Cherry MX series.
|
||||
So how would you compare it to the Cherry MX, and what do you have to say about that Unicompan?
|
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Yeah, well, so yeah, you got it pretty, down pretty well.
|
||||
The Unicompan is like the mechanical, or not necessary Unicompan, but the buckling
|
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screen is like the mechanical, the mechanical, right?
|
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It's super loud, super clacky, it uses like an actual mod of spring and all the keys
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in the incident.
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And the Cherry keys, the Cherry switches are a little bit more sophisticated.
|
||||
They're designed specifically for a certain type of tactile response and audio, like
|
||||
in your auto feedback, while the buckling spring is sort of this like raw key switch that
|
||||
was like used way back in a day.
|
||||
And so the Unicom, it's sort of like an emulation of the model M, the IBM model M, which is
|
||||
a legendary mechanical keyboard in the community.
|
||||
So it does feel that I'm amazing, that phenomenal when you click it, I mean, you have other mechanical
|
||||
keyboards.
|
||||
How would you compare the feel?
|
||||
Is it like between red and blue or between transparent or white keycaps?
|
||||
I don't know.
|
||||
I would probably, if we're talking about like the pair of some between Cherry and the buckling
|
||||
screen, I'd have to go with green switches, Cherry of screen switches, which are, I think,
|
||||
I think if I remember correctly, the green switch is the like the lattice switch that Cherry
|
||||
manufactures.
|
||||
And it's also the one that requires the most force to get to the actuation point because
|
||||
the buckling spring.
|
||||
I mean, you got to have, it takes some strength, it takes some stamina to use the buckling
|
||||
spring cord.
|
||||
It's not easy to push down on, it's not quiet.
|
||||
So the Cherry of screen, and I actually have a green board, do you feel like you're splitting
|
||||
in half the spring or something?
|
||||
It's a very hard question, I don't know.
|
||||
Yeah, so the spring, so the way it works inside the spring is the spring, so it gets compacted
|
||||
down.
|
||||
And then it kind of works a little bit like a cherry, and then there's a little piece
|
||||
of plastic with like a hook on it or so.
|
||||
And I guess there's more like two, and I think about it in the buckling spring.
|
||||
And so the spring gets pushed down kind of, you know, tilted a bit, depending on the
|
||||
key switch, like the letters and the numbers are smaller than the space bar going on.
|
||||
And so that's not the different, but in general, it does take a lot of strength to push down.
|
||||
I mean, it's just a key switch that doesn't take like noticeable strength, but if you're
|
||||
doing like rubber dome typing and you switch to a buckling spring, you're going to notice
|
||||
some serious difference and actuation point, and I don't think I can like that.
|
||||
Do they still manufacture them?
|
||||
Oh, yeah, yeah.
|
||||
Yeah, the unicorn.
|
||||
I mean, the whole point, I think, behind a new kind of, is sort of like the revival
|
||||
of the buckling spring keyboard, you know, because they're kind of hard to come across.
|
||||
These days, if you're finding a buckling spring, it's not a new comp, it's probably some
|
||||
like old, old 30 year old IBM, you know, bulky board from EAs yourself.
|
||||
So I got it.
|
||||
I got it on sale, actually.
|
||||
A while ago, it was about $100 or so, pretty expensive, in most of them are.
|
||||
Well, $100 is not that expensive for a mechanical keyboard.
|
||||
Yeah, I think you would agree.
|
||||
I would agree with that.
|
||||
I would.
|
||||
But I think, you know, a lot of people, like when they first came in, they can't keep
|
||||
boards.
|
||||
They see the price tags on some of them, and they just kind of like their jaws drop, you
|
||||
know, like, how could a keyboard be this much?
|
||||
Compared to the cheap ones you have on the, or any, the OEM, like HP Dell keyboard, which
|
||||
are like, you know, 20 bucks or so.
|
||||
And I think you remember very well what I did as a result of purchasing that keyboard.
|
||||
I was standing to forums about it.
|
||||
You did.
|
||||
Yeah.
|
||||
But I still, I did leave like two spreads on the forum because you were happy with that
|
||||
thing.
|
||||
Right.
|
||||
Yeah.
|
||||
I didn't dedicate a few threads just for the Unicop and I remember correctly that that
|
||||
was all the than me getting banned from it for like a week or so by you.
|
||||
Because all I do is just post stupid shit all over the forum, but yeah, I love Unicop
|
||||
man.
|
||||
It's a good keyboard.
|
||||
Okay.
|
||||
So now, back on the Unic's topic, does it have any relation here, the sort of IBM model
|
||||
with Unics directly, like, was it used on PDP one?
|
||||
I think not because it's two of you.
|
||||
Yeah.
|
||||
It's not that old.
|
||||
It's probably probably worked towards the 80s.
|
||||
So during the time we're at a class terminals, we're the, we're the norm.
|
||||
And of course, in the 80s, we did see, you know, start of a monochrome displays and
|
||||
even call displays in the mid 80s.
|
||||
The IBM model piece, the idea model in, I don't have a lot of knowledge on it myself.
|
||||
It was soon to be fairly standard with the, with the like high-end computer users, you
|
||||
know, people who did computing for a living, although, although back in the 80s and back
|
||||
in that day, when you had, you know, like serial ports and you had the terminal connect
|
||||
into a mainframe, you had really the terminal was sort of like connected.
|
||||
To the keyboard, you know, in most cases, like a lot of deck terminals and things like
|
||||
that, the terminal and the keyboard were kind of all one big unit, you know.
|
||||
And then when the personal computer came along, that's when you saw, like, the keyboard
|
||||
been split up with the monitor and then the actual computer, you know, master, depending
|
||||
on my keyboard computer you got.
|
||||
I think it did make sense to have it in one unit because the terminal was the endpoint
|
||||
of the CPU because the CPU was somewhere else.
|
||||
It was the processing unit somewhere else and you just had the thin client, the, yeah,
|
||||
the end output and then came the personal computer with the peripherals and you can plug
|
||||
stuff around and then it came, came to, to be unplugged from the main machine, right,
|
||||
right.
|
||||
Yeah.
|
||||
Okay.
|
||||
So, yeah, you have anything to add for the unique comp, obviously, you have phrases and
|
||||
that.
|
||||
Oh, yes.
|
||||
It's a good keyboard.
|
||||
Yeah.
|
||||
If you can get your hands on one, even if you can just, like, touch one, see what it's
|
||||
got, because buckling springs are different beasts compared to this chair switch, which
|
||||
is an Alps and topper or something like that.
|
||||
That was a deep, passionate view on Unicom keyboards.
|
||||
So Unicom were really distinct by the buckling string, historically go along with the professional
|
||||
computing on terminals and the advent of personal computing.
|
||||
They have their plays, more or less, in the Unix history.
|
||||
Now, let's touch another topic that surrounds and embraces Unix.
|
||||
Plan 9.
|
||||
Let's go for the discussion with our favorite Plan 9 expert.
|
||||
Let's move on to your favorite topic.
|
||||
Plan 9.
|
||||
Plan 9.
|
||||
Okay.
|
||||
So, I don't know that much about Plan 9.
|
||||
I did my research this week and I did try it a bit on a France machine, a virtual machine,
|
||||
that's really full and strong on the hardware itself, because from what I know, it doesn't
|
||||
have really that big of a support for hardware.
|
||||
Right.
|
||||
Anyway, from what I know, it was made by the same people that were working on Unix.
|
||||
It was inspired by Unix, but it's not Unix, it's just inspired by it.
|
||||
So it's done from scratch, totally from scratch, with ideas from the people who were working
|
||||
on Unix.
|
||||
Right.
|
||||
Many years working on Unix and then using those operating system knowledge to build something
|
||||
completely new, they took those ideas and still integrated some tools that are Unix
|
||||
like, but they read it them from scratch.
|
||||
They took the concept of pipe over and over again.
|
||||
There is no root, there's per process, namespace, per user access, there's something, there's
|
||||
total integration with the network and a lot, a lot of cool stuff, like Unicode, and
|
||||
it has a built-in graphical environment, etc, etc.
|
||||
So that's really a general, generic overview of the thing and I'm not really knowledgeable
|
||||
about little details, but what would be like for someone who knows Linux or BSD or Solaris
|
||||
or the newest kind of Unix, what would be your definition like in two sentences or one
|
||||
sentence about Plan 9, like you would explain to them what's Plan 9.
|
||||
If I had to describe Plan 9 in one sentence or a couple sentences, I would say, first I
|
||||
would say everything's a file, like everything is a file, everything is a file, if you think
|
||||
like it's not a file, you're probably wrong and the second thing would be it is the
|
||||
true successor to Unix.
|
||||
Nowadays, it's probably the most obscure thing out there operating system wise, but historically
|
||||
speaking, it was the successor to Unix, it was supposed to be relative to purposes, Unix
|
||||
version 2.0.
|
||||
So yeah, I would probably have to summarize it with those who said this is everything's
|
||||
a file, and it's the true successor to Unix.
|
||||
Okay, let's dig on that point that everything is a file.
|
||||
From what I know, they have something that is called a union directories and then namespace
|
||||
and they don't have really a difference between local machine and remote machines.
|
||||
How does that happen?
|
||||
What do you know on that level?
|
||||
Did you try it?
|
||||
Did you do a network or what do you know about it?
|
||||
Yeah, a couple of years ago, I actually managed to get a small cluster of Plan 9 machines
|
||||
working.
|
||||
I had about three or four ANOVO's dig centers, they're really small, that's copyc's, I would
|
||||
never have been used in Ethernet.
|
||||
I installed the base distribution of Plan 9, the one that came out of Bell Labs, I installed
|
||||
it on all of those, and I wasn't really trying to do anything practical with it, I was just
|
||||
trying to learn how to network the machines together because it was built, this is the most
|
||||
built to be used on not just one machine, but multiple machines over a network.
|
||||
What I did was I signed different rules to different servers, and in Plan 9, I remember
|
||||
quite a bit, I think there's three different types of servers, I guess four technically.
|
||||
You have a CPU server, which does a lot of the computation and processing.
|
||||
You have an authentication server, which I think the KC users and services on the cluster.
|
||||
You have a hard drive storage server, which has a bulk progress base, and then you finally
|
||||
have all your terminals, your small fan clients.
|
||||
Connecting to those machines.
|
||||
The system was designed in a way that would allow the user to access all the resources from
|
||||
the CPU server and the hardware server, the storage server, and authentication server, and
|
||||
they presented to them in a way that made it seem like all those resources were on the
|
||||
same machine, and that was multiplexed to all the terminals on the network, so every
|
||||
single user would have the same kind of resource pool to pull from.
|
||||
So I did that with about fear for IBM, or not IBM, Lenovo think centers.
|
||||
It was a pretty crappy design on my part, because the computers were bad, but I did get
|
||||
to like my hands dirty with it and whatnot, and it was pretty cool.
|
||||
Yes, so from my level.
|
||||
That's impressive.
|
||||
Yeah, from my level, that's the networking part of it, you know.
|
||||
Okay, so you said there's this, you can assign to a machine like the CPU role and the storage
|
||||
role, et cetera, from what I know, there's no root user on Plan 9.
|
||||
It's completely renewed the concept of access control.
|
||||
They use a communication protocol called 9P and set of BSD sockets or sockets.
|
||||
So does this have a relation with like inside the 9P protocol?
|
||||
They have a authentication to know which one should access, and how does access control
|
||||
that really have the only way to communicate between stuff is with the 9P protocol.
|
||||
And you don't have any root user, so there should be some authentication inside the packets
|
||||
or something.
|
||||
Yeah, and so 9P, I call it, this might be, it's like, I do a definition, but this is what
|
||||
I call it, I call it an amp area ubiquitous that were transplanted protocol, which is
|
||||
to say that it's protocols used practically everywhere in the system, from authentication
|
||||
to connecting the services to accessing resources.
|
||||
And it's never transparent in that it can use TCP, it can use UDP, it can use application
|
||||
layer protocols.
|
||||
It uses all these different things, but it still uses the same interface.
|
||||
So when you do, when you use 9P, you could be using it with a server around the like
|
||||
somewhere across the world, or it could be in the same building, or it could be the same
|
||||
machine.
|
||||
And their 9P doesn't really care that much, you know, it's designed to be transparent
|
||||
in that regard.
|
||||
So on the topic of authentication and the absence of a root user, there are actually, there
|
||||
is an account, I think it's called the host owner, which is given on every machine.
|
||||
So the CPU server will have a host owner and the storage server will have a host owner
|
||||
and if anything else, it will have a host owner.
|
||||
And it's not necessarily a root account, it's host owner, but it's an account that's really
|
||||
used for maintenance stuff.
|
||||
You can use the host owner to add hardware devices, you know, upgrade hard, upgrading hardware,
|
||||
you can use it to manage some services on the system.
|
||||
Because when you're in a network where there's no like administrator user, you're still
|
||||
going to need to use some kind of privileged account to do some certain tasks, that's just
|
||||
kind of something you can't avoid.
|
||||
But with that said, the host owner account is still pretty limited in its privileges.
|
||||
They'll allow us to do a pretty good job of making a system work really well with how
|
||||
to root an account.
|
||||
And authentication wise, it's a tough subject to talk about in my opinion.
|
||||
Authentication of the N9 is really a exotic thing, and in fact, they didn't actually implement
|
||||
a robust authentication process until about like the fourth edition or so.
|
||||
They wrote this thing called back totem, which is the relative to purposes, it's the authentication
|
||||
protocol for the system.
|
||||
In fact, totem uses a really interesting design, in the way it works just kind of fascinates
|
||||
me.
|
||||
I haven't used it as much as I'd like to.
|
||||
I remember a few months ago, I hosted a nine front server, nine front, say a four good
|
||||
plan nine, a derivative of plan nine.
|
||||
I wrote it.
|
||||
I wrote it.
|
||||
I ran it on a virtual private server, and a bunch of nixers guys connected to it, and they
|
||||
must challenge it.
|
||||
And that was kind of my dive into fact totem, because I needed to use fact totem to
|
||||
authenticate everybody.
|
||||
And the case where I had my small cluster of thing centers, I was the only person using
|
||||
it.
|
||||
And the case was not really a priority for me, but with the VTS running nine front, when
|
||||
I had multiple people, that's where fact totem came into play, and that's where I really
|
||||
got to understand at least from an interface perspective how it works and what it is.
|
||||
So yeah, generally speaking, authentication plan nine wasn't really a primary goal until
|
||||
later on.
|
||||
And in fact, totem was really a fascinating piece of software.
|
||||
It's confusing, but it's pretty cool, yeah.
|
||||
So talking about those exotic things, do you think there's something like that?
|
||||
That was inspired, like really directly inspired by the unix, by some unix tools, but that
|
||||
was like a super set of it.
|
||||
I think it was, they took piping, and they made something called plumber, but plumber
|
||||
is pretty new, I think.
|
||||
Yeah.
|
||||
So do you think it's a supper set of it, because it's made by the same people?
|
||||
Yeah.
|
||||
Yeah, they definitely use some concepts from research unix.
|
||||
Plumber is a good example, like you said.
|
||||
So the plumber is in a process communication mechanism, where you can send text over a,
|
||||
I guess you can call it a pipe, you send text to plumber, and depending on what kind
|
||||
of text it is, the plumber could parse it and understand where it needs to go or what
|
||||
you're trying to say with it.
|
||||
Like I could plumb a string of numbers or string of numbers and characters that falls
|
||||
to certain, like, regular expression, and an application will open as a result.
|
||||
So I think a good example is Acme.
|
||||
Acme is the plan nine, one of the plan nine text editors were written by a prop pipe.
|
||||
So I could send like a string of text from a const from a terminal.
|
||||
It could have like a file name and then a number of line and just plumb that as is in
|
||||
plan nine.
|
||||
I guess the plumber would be smart enough to know that's a file that needs to be opened.
|
||||
And so what it would do is it would open up Acme with that file already opened and it
|
||||
would highlight the line that was inside the string text that you plumbed to it.
|
||||
So I think that's a good solid example, but the plumber is.
|
||||
And in fact, actually, there were a lot of usually in applications that were directly
|
||||
ported to plan nine.
|
||||
You know, you still have things like Cat and LS and PS and some simple programs like that.
|
||||
Some of them were ported directly to plan nine and C while others were rewritten in RC
|
||||
and RC's scripting language used for plan nine and it's also the shell used for the
|
||||
terminals.
|
||||
So yeah, it's pretty easy to notice some principles used in traditional Unix with plan nine,
|
||||
which makes a lot of sense, you know, because they came from the same guys.
|
||||
But they definitely revisited a lot of things with plan nine at record.
|
||||
So I think I've saw, but I'm not sure of it.
|
||||
I really not sure of it, but I think they're using another C dialect.
|
||||
Can you confirm that?
|
||||
Yes.
|
||||
Yeah, they use their own dialect to see.
|
||||
Okay.
|
||||
So there's something that I was surprised at first, but plan nine is graphic oriented.
|
||||
And there's a guy called Eric Rayman.
|
||||
I think you know it from the art of Unix programming.
|
||||
And he says that one of the things very specific to a Unix system is that it's first based
|
||||
on text and then the layer above comes with graphics or whatever fancy overlay you want
|
||||
to add to it.
|
||||
But plan nine comes like graphical first.
|
||||
Yeah.
|
||||
Do you think it was a good choice to go for that or because it's made by the same people
|
||||
who did the Unix, so probably they did it for a good reason.
|
||||
Yeah.
|
||||
Yeah.
|
||||
And that graphics discussion, I think one thing you need to look at with that is the time
|
||||
period.
|
||||
That plan I was developing, you know, the initial development started in the late 80s time
|
||||
period.
|
||||
So we're looking at like operating systems like Windows and early versions of Mac OS.
|
||||
Well, I guess I guess in the early 80s and not the early 80s, Windows was in the
|
||||
whole of west.
|
||||
It was just a program for dots.
|
||||
But anyways, so we had graphics using interfaces come and do home PCs, personal PCs.
|
||||
We also saw networking take a huge influence over that.
|
||||
So yeah, I think they were, you know, they were correct in making graphics a integral
|
||||
part of the system.
|
||||
You know, and sometimes really need to be said about the Unix guys, you know, basically
|
||||
taking a stance on graphics and kind of showing the world what they think they should
|
||||
be.
|
||||
Because they did a pretty good job.
|
||||
And the interface to plan nine graphics wise is as usual exotic, because the plan manages
|
||||
to very strange operating system bluntly put the way they did graphics and compare some
|
||||
to operating systems like Mac OS and even Unix desktops like CDE and X-Loading Manager
|
||||
like TWM and whatnot.
|
||||
The way plan nine did it was just so much more simple in my opinion.
|
||||
Not just from an interface standpoint, like the user interface, but also the software
|
||||
we've used to show that graphical experience was really quite a feat.
|
||||
Yeah, eight and a half was one of the, well, actually, eight and a half was initially
|
||||
written for Unix by Ralph Pike and then they kind of worked on that more and wrote Rio,
|
||||
which is the current one of manager for plan nine.
|
||||
But yeah, eight and a half was sort of a precursor to what would be the graphical user interface
|
||||
for plan nine.
|
||||
And you can see that with photos of eight and a half in Rio, eight and a half was written
|
||||
for modicums plays and then once been mapped to play, it came out of the picture.
|
||||
That's when they added color and Rio had support for that and a few other things as well.
|
||||
But yeah, eight and a half was a precursor to the interface.
|
||||
I think the novelty behind it comes from the fact that Ralph Pike did write the graphical
|
||||
environment, the graphical server before X11 and before any of the big, big, like graphical
|
||||
environment, but was still something new.
|
||||
So he wasn't biased, he wasn't copying something else.
|
||||
He did his own thing, his own concept.
|
||||
Yeah.
|
||||
Yeah.
|
||||
In the early 80s, 1982 or so, he created the Blitz terminal, which is a graphical interface
|
||||
and even that from 1982 and plan nine development, let's start until six or seven years after
|
||||
82.
|
||||
You still see the Blitz terminal.
|
||||
You still see plan nine and it was used on Unix, obviously, but yeah, Ralph Pike, he
|
||||
had that idea for a long time, that whole user interface graph user has had that idea
|
||||
for a long time.
|
||||
Let's move to a section like how plan nine affected other operating system, how what
|
||||
it did really inspired others or how it did take it to another step.
|
||||
Like for example, the minimalism philosophy, just without Unix, just minimalism itself instead
|
||||
of having like other operating systems and the thousands of system calls, plan nine has
|
||||
only 51 system calls, which is really impressive.
|
||||
When I did the research on system calls for one of the podcasts, I was reading them like
|
||||
for plan nine, it's just headers and numbers and that's it.
|
||||
Yeah.
|
||||
That's about minimalism, but there are stuff like really other operating system completely
|
||||
copied and they took from plan nine itself, like the slash proc directory, the union
|
||||
file system and sort of like Docker, the software Docker, like UTFA itself, it's a standard
|
||||
nowadays network file systems to, anyway, what do you have to say about like the inspiration
|
||||
for other operating systems?
|
||||
There's someone that says that sooner or later, plan nine cannot reach the point where
|
||||
it's going to be popular, but sooner or later, other operating systems are going to try
|
||||
to incorporate some function that plan nine already does.
|
||||
So it could somehow get inside or merge with some other operating system.
|
||||
Yeah.
|
||||
Yeah.
|
||||
A lot of these can be said in that regard.
|
||||
I think two of the largest things you need to look at with that are UTFA, like you
|
||||
said, and the proc file system, both of which originated in plan nine, and in fact, Rob
|
||||
Pike, Ken Thompson created Unicode, Rob Pike was with him.
|
||||
I don't know why I remember this, so it was like the whole story so vividly, but I do.
|
||||
I think it's pretty cool.
|
||||
You know, Ken Thompson, who worked on the original Unics with Dennis Richey in the late
|
||||
60s and early 70s, came with Rob Pike in a diner, just somewhere in a diner, somewhere
|
||||
I think.
|
||||
Ken managed to write down what Unicode was in the back of like a placemat or an acronym
|
||||
or something, and it's designed, it was just so sophisticated to get simple, and I think
|
||||
as computer scientists and programmers, you know, we need to follow the kind of philosophy
|
||||
with everything we do.
|
||||
And plan nine definitely did that.
|
||||
And so UTFA was a lot of things.
|
||||
Actually, it was backwards compatible with ASCII, which was a huge deal because you didn't
|
||||
have to do anything else.
|
||||
Like, if you had a string of ASCII text, ASCII could just be used without any extra effort
|
||||
at all.
|
||||
UTFA could use ASCII and that was that.
|
||||
Another thing was used a bit, the stream was a number of bytes that you could use for
|
||||
a character with arbitrary, which means that you didn't have to fix them or fight to work
|
||||
with.
|
||||
So when you're sending bytes over the wire, over network, UTFA was able to know how many
|
||||
bytes it was expecting for a certain character, and then read those bytes as they were.
|
||||
And so when you're dealing with a lot of languages, that's a big deal because, you know,
|
||||
you have different sections of bytes for different languages, and actually it's different
|
||||
sections of bits as well, actually.
|
||||
So for UTFA to be able to do that at the time was pretty impressive.
|
||||
Nowadays, we kind of take that kind of thing for granted, but when networking was a little
|
||||
bit more expensive back in those days, being able to know exactly what you're expecting
|
||||
as it's going over the wire was pretty cool.
|
||||
And so UTFA was quite an accomplishment on their part, and to go on with that a little
|
||||
bit more, the time period as well.
|
||||
When you're dealing with a lot of locales like ASCII or ISO 8859 or, you know, some Japanese
|
||||
or French or German, whatever it might be, whatever language it might be, having an encoding
|
||||
that's capable of expressing tons of languages and even having enough room just so like,
|
||||
you know, emoticons and things like that is amazing because you can have files that are
|
||||
in UTFA, you know, they can express different languages effortlessly, right?
|
||||
If you're doing like encoding A to encoding B, you might get a lot of weird symbols and
|
||||
stuff because the coatings are different.
|
||||
But if you have a standard encoding for all languages, that's good because the file could
|
||||
be in that encoding applications can use that and we're all kind of on the same page
|
||||
in our garden.
|
||||
So UTFA was great and that was obviously taken by their operators and the web as well.
|
||||
UTFA uses a lot, you know, UTFA is huge on the web and the proc file system kind of
|
||||
changed its subjects.
|
||||
Data origin on a plan 9 and the proc file system exposes processes at a process of model,
|
||||
you know, hence the name.
|
||||
So you can view things like PC, right?
|
||||
Yeah, yeah, yeah, you can use the right PC, yeah, and you can use it.
|
||||
I think another good use of it is deep biking as well, deep biking applications but being
|
||||
able to view, you know, the memory it's using, when it's accessing things like that,
|
||||
it's pretty cool.
|
||||
And proc is used directly in Linux and some of the BSDs, I don't think open BSD uses it,
|
||||
I think free BSD is free BSD, yeah, yeah, yeah, and so the proc file system is pretty cool,
|
||||
yeah, yeah, the proc file is pretty cool and I think that relates back to everything as
|
||||
a file on plan 9, like I said before, everything is a file, you know, to TCP packets, to with
|
||||
the mouse, to the keyboard, to the monitor, to other hardware devices, sockets, again,
|
||||
processes, acme windows, or files, it's really, it's really cool and the proc file system is
|
||||
a good example of that everything is a file philosophy that plan 9 implemented so well.
|
||||
Union mounts, but I think the purpose by Union mounts in plan 9 was to kind of get rid
|
||||
of environment variables, specifically path and those related environment variables.
|
||||
So you could have, you know, a slash bin, a slash bin directory and you could mount other
|
||||
directories on the slash bin, right?
|
||||
So plan 9, they like to divide their binaries up by architect, as well as, even in some
|
||||
cases, language.
|
||||
So on plan 9, you might have like slash 386 slash bin, which are all binaries used on 386
|
||||
machines, and so you can mount that as a slash bin and you'd have like 36 binaries, you
|
||||
could have like...
|
||||
So that binaries are shared also across the network, so you have one machine that's
|
||||
rolling only to serve binaries, you can have that.
|
||||
Yeah, that's a possibility, yeah.
|
||||
And the reason they say that's a good way to make sure that like the architecture of
|
||||
binaries was taken note of was because plan 9 was operating system that could be used
|
||||
on several different architectures, right?
|
||||
It's a architecture, a nasty kind of system.
|
||||
You could run a spark bin area on a 386 and that would work perfectly fine because of
|
||||
the way it was designed.
|
||||
And you could mount all those binary directors on the slash bin, and you could even use
|
||||
you can mount them like before or after other directors, so you could like say, if I have
|
||||
two versions of the same program, and I want a specific one, I could use mount to, you
|
||||
know, but that specific one before the one I, the one that might already be mounted or
|
||||
with mounted later on, and that's used in other places as well.
|
||||
And in fact, mounting in that sense is pretty integral to plan 9.
|
||||
You're always mounted stuff on plan 9 because in plan 9, not only is everything a file,
|
||||
but almost everything's a file system as well.
|
||||
What surprised me on that topic of union file system is that nowadays people are like
|
||||
mesmerized at this concept, especially when it's on distributed computing and containers.
|
||||
And I really, it's a real situation that happened.
|
||||
I had a friend come to me and he was, yeah, yeah, yeah, Docker invented union file system.
|
||||
And then when I heard about plan 9 and I checked that, I was like, wait a minute, everyone
|
||||
is so surprised or so fantasizing about containers when in fact distributed computing and union
|
||||
file system, the solution was there all along.
|
||||
Yeah, it's been here for a while.
|
||||
So yeah, it's really inspiring you software.
|
||||
So yeah, union file systems, well, actually, you brought a Docker.
|
||||
I think a cool comparison would be made with Docker.
|
||||
So Docker, yeah, as it contains, you know, programs they can roll up, but Docker container
|
||||
which could run like a D-stroke or whatever, I don't know much about Docker, I just kind
|
||||
of understand it vaguely.
|
||||
But terminals on plan 9 are kind of like that, kind of like Docker.
|
||||
They're sort of like containers, you know?
|
||||
So when you open up two terminals, the terminal has its own overview of the network, which
|
||||
is to say it has its own overview of the machine.
|
||||
And so you could mount, let's see, you could mount like, you could mount today a network
|
||||
card from different machine onto one terminal and the other terminal would have no idea.
|
||||
So you could not access that card with the other terminal.
|
||||
And so there's sort of a sense of isolation in that regard, which Docker does a good thing,
|
||||
which does as well as isolation well because it contains software.
|
||||
So yeah, yeah, yeah, you can say that Docker has maybe not directly, but definitely indirectly
|
||||
taking a lot of things from plan 9.
|
||||
I don't think we can add anything here because we'd confuse everyone.
|
||||
So let's just talk about the mascot or maybe not.
|
||||
Oh, yeah.
|
||||
That's what I'm talking about.
|
||||
I got the name itself.
|
||||
Plan 9.
|
||||
Yeah.
|
||||
So plan 9, the name of the original distribution is called plan 9 for Bell Labs.
|
||||
And that's a jab at this terrible movie on plan 9 from outer space.
|
||||
And so the developers, the Unix guys, the Unix guys at Bell Labs, we were deciding in
|
||||
it.
|
||||
I don't know why they chose that specific movie to name the operating system after, but
|
||||
they did.
|
||||
Maybe because it was so bad.
|
||||
I don't know.
|
||||
But yeah, the story behind that is pretty simple.
|
||||
It's just plan 9 from outer space.
|
||||
I think honestly, I think that movie is kind of regarded as like the worst movie ever
|
||||
created ever.
|
||||
And so for some reason, the name of the operating system after that.
|
||||
And it's just kind of ironic, in my opinion, because I think plan 9 is like a work of art
|
||||
really.
|
||||
It's a flawless example of computer science principles and it's a great implementation
|
||||
of specific concepts, but it's named after a terrible movie.
|
||||
So it's just kind of funny.
|
||||
I guess Glenda.
|
||||
Glenda is the bunny.
|
||||
The mascot.
|
||||
Glenda or Glenda.
|
||||
Glenda.
|
||||
Also from the same, a centerist as a plan 9 from outer space.
|
||||
Oh, is it really?
|
||||
I don't know that.
|
||||
It doesn't make a lot of sense, doesn't it?
|
||||
But yeah, yeah.
|
||||
So Glenda is the bunny.
|
||||
Glenda was drawn by Rob Pike's wife, who also, I'm pretty sure, also designed the color
|
||||
scheme.
|
||||
I don't know, like, if he knows it very well, but the color scheme, I think Rob Pike
|
||||
comes down to color scheme a couple times and they paid a lot of detail to the colors
|
||||
used.
|
||||
They're bright colors, you know, but they're also very kind of column colors.
|
||||
There's not a lot of contrast and going on.
|
||||
The video used on a bit map display isn't 24 bit color.
|
||||
There's a photo, actually, if you go on the website, just go on the plan 9 website.
|
||||
There's actually a photo, a screenshot of it, up a desktop that showed us the colors
|
||||
pretty well.
|
||||
But yeah, there's like hints of blue and hints of yellow.
|
||||
And so she designed the color scheme, she designed Glenda as well, the bunny rabbit.
|
||||
Well, that's interesting to have the person who designed the mascot design, also the color
|
||||
scheme for the operating system.
|
||||
Yeah.
|
||||
Actually, that's quite weird because you don't
|
||||
have the same flexibility for window managers on plan 9.
|
||||
You're forced to have real because you don't have anything else.
|
||||
Right.
|
||||
Anyway, let's finish on something.
|
||||
Let's finish about plan 9 on something more Unix-like.
|
||||
Eric Raymond has in his book, like, a section for plan 9, and it's a book about Unix
|
||||
programming.
|
||||
Yeah.
|
||||
And he describes it at the title of the chapter is plan 9, the way the future was.
|
||||
And the first sentence is, we know what Unix's future used to look like.
|
||||
It was designed by the research group at Bell Labs that built Unix and called plan 9 from
|
||||
Bell's Lab.
|
||||
Plan 9 was an attempt to do Unix over again better.
|
||||
Mainly it was an attempt, but it's still an ongoing attempt.
|
||||
More or less, we don't know if it's going to take over one day, but other people are
|
||||
taking from plan 9, that's true.
|
||||
So anything to add as an end note for plan 9.
|
||||
Yeah.
|
||||
Just try it.
|
||||
I don't know.
|
||||
Yeah.
|
||||
Definitely give a shot.
|
||||
Eric Raymond.
|
||||
Eric asked Raymond.
|
||||
I think he also had a comment about that.
|
||||
I think he said, when it came to plan 9, Unix was just good enough, you know, even
|
||||
the end of it was just good enough.
|
||||
I think he said there were like, yeah, if you have a working system already running and
|
||||
it's good enough, why change it?
|
||||
Exactly.
|
||||
So even if plan 9 did stuff better, Unix was already there and it was being by then
|
||||
as used for about 20 years or so when plan 9 came out.
|
||||
I think the thing is to be said about that when people are developing new systems and
|
||||
new answers to questions in software.
|
||||
I think one of the worst things that could happen is the current solution is just good
|
||||
enough for everyone else and that would defeat the purpose of a new solution.
|
||||
Yeah.
|
||||
So even if plan 9 didn't really take off the way it could have, like you said, we do
|
||||
see a lot of examples of it in current operating systems today.
|
||||
That was a fairly long talk about plan 9.
|
||||
Now what's to take out of this talk and Unix related?
|
||||
Plan 9 is inspired by Unix and it inspires Unix.
|
||||
Okay.
|
||||
So that's what is to remember out of this talk, the conclusion.
|
||||
Now let's move to chocolate milk.
|
||||
What's that?
|
||||
What?
|
||||
Wait.
|
||||
What?
|
||||
Adam?
|
||||
Why do you like it so much?
|
||||
Yeah, why do you like it so much?
|
||||
Oh god, it's so tasty, man.
|
||||
I love it.
|
||||
Actually, funnily enough, I can't stand white milk.
|
||||
I can't stand the fragrant milk.
|
||||
I taste even like the slightest bit and I get sick for some reason, but chocolate milk
|
||||
I could just drink that for us in my life and be fine.
|
||||
I don't know why I like it so much.
|
||||
I don't know.
|
||||
I mean, we kind of all have our favorite drink and I guess I might like chocolate milk
|
||||
a bit more.
|
||||
As a matter of fact, I just picked up some more that the grocery store and I was drinking
|
||||
some before we started this podcast.
|
||||
I don't know, man.
|
||||
I'll do all day, so I'll look at Peter and drink chocolate milk.
|
||||
I think some day there was a drunk ex and he posted that, I think, Jeff Imagine where
|
||||
someone pours all his chocolate milk into the sink and you were like, that's the torture.
|
||||
Yeah, man.
|
||||
He likes talking about that, yeah.
|
||||
And actually, whenever he draws a photo of me, because he's a great artist, and so
|
||||
right now, I'll ask him to just draw some kind of picture of me and he has that chocolate
|
||||
milk in his somewhere.
|
||||
Chocolate milk and plan nine, here is that chocolate milk and plan nine to it.
|
||||
But yeah, he needs to do more of those, probably, yeah.
|
||||
So this is everything for this episode about Unicom, plan nine, and chocolate miracle.
|
||||
And here are some M4 if you want to contact Adam slash APK.
|
||||
I'm starting to get back on the higher excuse server.
|
||||
I'm on it right now, actually.
|
||||
So I'll be on there, I think more frequently now.
|
||||
I'm just APK on the higher excuse server.
|
||||
I do have an email address.
|
||||
I kind of, I have a spirit to think where I change it like every, every month or so.
|
||||
But my, my Gmail, which I use a lot, and have use of passes, Adam, my first name, Adam,
|
||||
and then the Baron.
|
||||
So Adam's a Baron at gmail.com.
|
||||
So give me questions about plan nine or chocolate milk, hit me up, dude, or Unicom.
|
||||
Or Unicom, yeah, or anything in between.
|
||||
I love, I love talking to you now, so don't be scared.
|
||||
So let's move to the section where we talk about what we did this week and last week.
|
||||
Let's start with a little review of last week.
|
||||
Last week, podcast was about the booting process on Unics.
|
||||
And I dealt with the really generic overview of what happens at every level.
|
||||
And why is it really related to Unics and why it's important to understand all
|
||||
those parts for debugging and the differences between all the new West Unics like distributions.
|
||||
So that was it this week, what did I do this week?
|
||||
This week I didn't do much, so I don't think I'll spend too much time talking about that.
|
||||
Now this was it, this was it, if you want to contribute as usual, as usual, if you like
|
||||
what you're listening to, you can contribute in multiple ways.
|
||||
The first easy way is to just give your appreciation on IRC or on the forums extended podcast
|
||||
threads.
|
||||
It gives us a push to know we're going in the right direction.
|
||||
The second way to contribute is by adding some relevant information on those extended
|
||||
threads.
|
||||
A fourth way would be to help me fill the transcript on some episode that are missing
|
||||
some.
|
||||
And the last way would be to join me on the podcast.
|
||||
And you can do that by asking for a podcast key on IRC or on the forums.
|
||||
And with that key, you can log into the user interface on podcast.nixers.net.
|
||||
And on this interface, you set your available time for the next week.
|
||||
And then the best time, the best common time is chosen and you can join at that time.
|
||||
And remember that you can find all the episodes on this little short link, podcast.nixers.net
|
||||
slash what WHAT or you can check the feed URL that I just mentioned, podcast.nixers.net slash
|
||||
F-E-E-D, podcast.nixers.net slash feed.
|
||||
So this is it.
|
||||
Thank you very, very, very much for listening and have a wonderful day.
|
||||
This was phenom for the nixers podcast.
|
||||
You've been listening to Hacker Public Radio at HackerPublicRadio.org.
|
||||
We are a community podcast network that releases shows every weekday, Monday through Friday.
|
||||
Today's show, like all our shows, was contributed by an HPR listener like yourself.
|
||||
If you ever thought of recording a podcast, then click on our contributing to find out
|
||||
how easy it really is.
|
||||
Hacker Public Radio was founded by the digital dog pound and the Infonomicon Computer Club.
|
||||
And it's part of the binary revolution at binwreff.com.
|
||||
If you have comments on today's show,
|
||||
please email the host directly, leave a comment on the website or record a follow-up episode
|
||||
yourself.
|
||||
Unless otherwise stated, today's show is released on the creative comments, attribution,
|
||||
share a light 3.0 license.
|
||||
Reference in New Issue
Block a user