The command line isn't just for wise Linux beards. It's actually an awesome tool with almost limitless functionality. Here's a primer on how it works, and how you can do almost anything with it. Note: ...

If you work with text files on Linux or Unix systems, you’ll eventually come across the diff command. The diff command is one of the most useful tools for comparing two files to find what’s changed.

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...