The diff command can be your best friend when you’re troubleshooting problems on a Unix system, but are you using it effectively as you could? The Unix diff command is very handy, but it can do a lot ...

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 ...

With some funding from Google and the U.S. Energy Department, a pair of computer scientists at Dartmouth University are updating the venerable grep and diff Unix command line utilities to handle more ...

If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.

I use the Linux command line daily, but that's because I learned Linux the hard way and those old lessons stuck. Most users could go their entire Linux lifetime and never run a single command. Some ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

The Linux command line is a text interface to your computer. Also known as shell, terminal, console, command prompts and many others, is a computer program intended to interpret commands. Allows users ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...

Cron is nice and all, but don't forget about its cousin at. When I first started using Linux, it was like being tossed into the deep end of the UNIX pool. You were expected to use the command line ...

Unleash the power of cross-platform command-line compatibility ...