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 ...

The arguments and options you use on the command line can make command output easier to use.

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, ...

$ !? 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.