## history Provides a couple of convenient aliases for using the `history` command to examine your command line history. ### Requirements * None. ### Usage * If `h` is called, your command history is listed. Equivalent to using `history` * If `hsi` is called with an argument, a **case insensitive** `grep` search is performed on your command history, looking for commands that match the argument provided * If `hsi` is called without an argument you will help on `grep` arguments