Questions tagged [unix]

For questions about the Unix operating system.

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52
votes
5answers
10k views

Which Linux or BSD distributions do still support i386, i486 or i586 CPUs?

Unfortunately Debian kicked out Pentium 1 (i586) CPU support from its 32-bit PC port (named i386 for historic circumstances) for its next stable release Debian 9 Stretch. (Then again they complain ...
63
votes
3answers
8k views

Why did Unix use slash as the directory separator?

The Unix designers came from the GE/MIT Multics project, and Multics inspired some Unix features. In particular, Multics has a hierarchical filesystem, and so does Unix. On Multics, pathnames were of ...
58
votes
1answer
9k views

What's the story behind the name “X11”?

To this day on Linux configs and startup scripts for the GUI system are stored in /etc/X11. I remember this name appearing alone, or alongside others - XFree86, X.org, X - for as long as I had contact ...
4
votes
1answer
235 views

What was the first publication documenting AT&T syntax assembly language?

What was the first publication to document what is (now) known as AT&T syntax assembly language?
10
votes
1answer
484 views

How POSIX-compliant is Xenix?

Xenix was the most popular Unix flavour of the 80's. However, it was designed before the POSIX standards came to be, and its final version was released shortly after the first POSIX specification was ...
7
votes
1answer
290 views

“ps” returning “No namelist” on UNIX V7

I am using this emulator for UNIX V7: http://www.jbox.dk/sanos/pdp11.htm When I type ps to get a list of processes, I get the following error: