mac os x lion command line administration

Check out the docs for Lion Server Advanced Administration. It's not exhaustive by any means, but there is a section on administration from the command line.

https://help.apple.com/advancedserveradmin/mac/10.7/

You can also check out the documentation of the 10.6 server. Many (not ALL!) commands are the same as in Lion Server.

http://manuals.info.apple.com/en_US/FileServerAdmin_v10.6.pdf

and

ftp://ftp.ct.astro.it/AddToDesktop/Intro_Command_Line_Admin_v10.6.pdf