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 ...

This is a pretty classic way to parse and process command-line arguments, actually. Check the value of $1, and if it's a known flag, change a default variable or two, then use the shift command to ...

$ !? 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.