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.

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 ...

If you find your thrill delving into the networking side of Unix, you'll find that there are lots of commands to give you all the insights you might want. I will never forget my first ping. Working on ...

Older commands can still be faster—and more flexible, powerful, and accessible too!

I wrote a small Unix shell in C.How are commands like `ls` and `cat`, which we use casually in the terminal, actually ...