type - Writing shell scripts

http://linuxcommand.org/writing_shell_scripts.php

28th of April 2006

I've started skimming through the lovely Writing shell scripts tutorial and even though I'm just in the beginning of it I've already learnt one very useful thing: the type program. With it you can find out "what type of command it is". This is useful because sometimes you want to know where some command is coming from. I'll let this example explain its usage: 

 peterbe@trillian:~ $ type jed
 jed is /usr/bin/jed
 peterbe@trillian:~ $ type cvs_commit 
 cvs_commit is /home/peterbe/bin/cvs_commit
 peterbe@trillian:~ $ type alias
 alias is a shell builtin
 peterbe@trillian:~ $ type sjed
 sjed is aliased to `sudo jed'

I'll read more of this after the weekend.



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