Every now and then I come across a feature of some Linux command that works so well that I have trouble understanding how I managed without it for so long. The one that I most recently discovered is ...

The Unix diff command is very handy, but it can do a lot more than just let you know if two files that you’re evaluating are the same or different. It can find and show you the differences and it can ...

Linux commands often have long lists of options they support, many of which are single-letter mnemonics. These can be tricky to learn and remember, but their redeeming feature is their reusability: ...