> **Possible Duplicate:**  
> [“Must Have” Text/Terminal Apps?](http://superuser.com/questions/18730/must-have-text-terminal-apps)  


What tools/utilities that made your CLI life more plesant. My personal not full list will probably consist of:

 - [ack][1]
 - [htop][2]
 - [screen][3] or kibitz
 - [programmable bash completion][4]

What is your list?


  [1]: http://betterthangrep.com/
  [2]: http://htop.sourceforge.net/
  [3]: http://en.wikipedia.org/wiki/GNU_Screen
  [4]: http://bash-completion.alioth.debian.org/