in linux file permissions, what is the number besides the permissions?

Posted by Blankman on Server Fault See other posts from Server Fault or by Blankman
Published on 2010-06-18T01:29:39Z Indexed on 2010/06/18 1:33 UTC
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linux

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file-permissions

What does the number besides the permission represnet? i.e. the 3, 8, and 1's.

alt text

Also, is there a command that combines chown and chgrp ?

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