This episode shows how the `whatis` command will return all related commands for a keyword specified as an argument.

This episode describes how the `apropos` command is similar to `whatis`, but returns more data due to the data sources that it uses to search for keywords.

This episode shows how the `help` command can be used to get more details on specific built-in commands provided by the bash shell.

This episode shows how the `info` command can be used as an alternative source of system information to using the man pages, and how navigating that system will be more familiar to Emacs users.