history
Provides a couple of convenient aliases for using the history command to examine your command line history.
Requirements
- None.
Usage
- 
If his called, your command history is listed. Equivalent to usinghistory
- 
If hsiis called with an argument, a case insensitivegrepsearch is performed on your command history, looking for commands that match the argument provided
- 
If hsiis called without an argument you will help ongreparguments