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 ...

$ !? SHELL /bin/bash # More usefully, you can interactively search the command history at the console by hitting CTRL-R at the prompt and typing the section of the string you are looking for.

One thing that's always bothered me about Linux, and UNIX before it, is that there isn't a decent command-line calculator available. You know, something where you can type in solve 5+8 or, better, ...

Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...