Learn the ABCs of BSD.

Four versions of Linux have become more capable operating systems than the lowest-ranked version of Unix, according to a new study. The study evaluates features and performance in dozens of areas, ...

Most every Unix sysadmin has run smack into line ending incompatibilities from time to time. The most common problem is the appearance of ^M characters at the ends of lines in text files that were ...

Linux contains many of the same basic commands, attempts to follow the directory layout similarly, implements POSIX compliance where it makes sense, etc. But they're also very different, Linux package ...