Linux:command:cut

see 'man cut' for help information. Example here:

$ who am i | cut -f1-2 -d " " #print the first column
$ who am i | cut -f2- -d " " #print non-first columns

Web:cluster maps

http://www.clustrmaps.com/getone.php
http://www4.clustrmaps.com/counter/maps.php?url=http://zyliu2005.blogspot.com/