wellesenterprises/Getty Images Long before Linux was introduced, I worked as a Unix system administrator. In those days, I downloaded the source code, unpacked the tarball archive it arrived in ...

If you're new to the UNIX operating system, especially if you're familiar with Windows, you'll find that the file access control mechanisms might not be exactly what you expect.

Forty years ago this summer, a programmer sat down and knocked out in one month what would become one of the most important pieces of software ever created.

UNIX V5 is only one of the early operating systems you can explore with SIMH. On the SIMH Web site, you will find a repository of disk images for other systems. If you are interested in seeing what a ...

The /opt file system is a relative newcomer to Unix file systems and is primarily used to house optional software packages. /tmp was and still is, of course, intended for temporary files.

Unix is the system that measures time on your computer. PROFITT: Well, as approximately 1-2-3-4-5-6-7-8-9-0 of our listeners noted, that is wrong. Unix itself is actually a computer operating system.

The UNIX operating system started life on a PDP-7 but was perfected on a PDP-11. The first version of UNIX was written in PDP-11 assembler; it had 34 system calls, it was written in 4,200 lines of ...

Systems that pass can be called UNIX, systems that don’t can be called UNIX-like or UNIX system-like. Linux is a UNIX-like operating system. The Linux trademark is owned by Linus Torvalds.

Allen Brown, CEO of The Open Group, explains that his organization owns the Unix trademark and that the SCO Group holds the rights only to the OS source code.

Originally written in one month during the summer of '69, a little operating system called Unix would go on to be one of the most important pieces of software ever written. Four decades later, the ...