Bash - built-in commands - starting a command list, alias handling, key actions

Book excerpt: How to make the mail program start after pressing ALT? Most administrative work, both for the working station and the server, is done in the shell. Adjusting it to your needs, creating shortcuts on the level of command names as well as shortcuts makes this work quicker. This micro-course describes how to add commands contained in a file to the current session, how to manage command aliases, and how to join key shortcuts with a command or the shell command line editor action.