Pipes
  Pipes connect one program to another.
  Data goes from one program's output to another programs input.
  Can use as many pipes as you want
  Can pipe in any 'file discriptor' you want, not just stdout
  Example
    $ wc -l /etc/group
    57 /etc/group
    $ cat /etc/group | wc -l
    57

Copyright 2005, Bri Hatch of Onsight, Inc.

Presented at LFNW - LinuxFest Northwest, Bellingham, Washington, Apr 2005

Presentation created using vim and MagicPoint.