The history of Unix systems and their main components. Please DO NOT USE this tag for shell-related questions; use [tag:command-history] instead.

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12
votes
2answers
15k views

What is the concept behind “tty” in linux?

Where did the terminology "tty" come from in Linux?
11
votes
1answer
520 views

What is the difference between shared memory in early unix systems vs modern unix systems?

How could processes share memory in early versions of UNIX version modern implementations of shared memory?
6
votes
3answers
1k views

zsync vs. jigdo

What's the difference between zsync and jigdo? Their core functionality seems the same, so I'm curious on things like performance, file size, and ease-of-use. Would also be interesting to know why one ...
4
votes
1answer
343 views

Why did Debian create the DFSG?

I'm curious why Debian created the DFSG when the FSD already existed. There are some differences (conflicts) of course, but was that the main motivation?
2
votes
1answer
749 views

What killed Beagle? [closed]

Beagle was all the rage some years ago, and then it just died... silently. Anyone knows why?
2
votes
2answers
338 views

Where is 'kernel panic' used?

Is the name kernel panic being used outside of Linux-based systems?
2
votes
2answers
424 views

What is the difference between X and XFree?

Why are there two programs for that?
115
votes
5answers
34k views

Is Linux a Unix?

So, there are lots of different versions of Unix out there: HP-UX, AIX, BSD, etc. Linux is considered a Unix clone rather than an implementation of Unix. Are all the "real" Unices actual descendants ...
118
votes
3answers
21k views

What does “rc” in .bashrc stand for?

Is it "resource configuration", by any chance?
14
votes
4answers
5k views

Evolution of Operating systems from Unix

Can you explain the evolution hierarchy of operating systems (Linux and Windows) from Unix?
5
votes
1answer
823 views

Resources System V vs BSD

I'm searching for some detailed resources about the differences of System V and BSD concepts. For example: Interprocess Communication Sockets vs TLI ... Some sort of pro/cons discussion with ...
43
votes
5answers
4k views

Why is there a * When There is Mention of Unix Throughout the Internet?

I've noticed that throughout the Internet, within forums and blog posts, Unix always has a * in the word, whether it is *nix or Un*x, as I noticed at the welcoming banner at the Unix StackExchange ...
5
votes
1answer
572 views

Anyone know the meaning of yy?

Since history questions are considered on topic, I figured I'd ask one that's been bugging me for quite some time and no one I know seems to know the answer. Does anyone know what the historical ...
10
votes
4answers
538 views

The future of OpenSolaris

since OpenSolaris is more or less abandoned by Oracle, is there a nice alternative that implements the unique features of OSOL? ZFS is one thing, but I liked the image creation system, that let you ...
98
votes
6answers
32k views

Where did the “wheel” group get its name?

The wheel group on *nix computers typically refers to the group with some sort of root-like access. I've heard that on some *nixes it's the group of users with the right to run su, but on Linux that ...
14
votes
4answers
796 views

How was the shift to 64 bits handled on Linux

How was the transition to 64 bits handled on Linux/Unix? The Windows world still seems to have issues with it and I'm curious how it was handled in the *nix world.
33
votes
4answers
8k views

What did Ken Thompson mean when he said, “I'd spell creat with an 'e'.”

Ken Thompson, the creator of Unix, was once asked what he'd do if he had it to do over again. He said, "I'd spell creat with an 'e'." What is Ken referring to? Is there a "creat" command?