I thought this may be of use to some of you in the group. I have found it to be handy as a reference guide. I collect all kinds of this stuff. You never know when you may need it or forget some little two letter switch for a command line arguement. I hope this helps some one.
http://www.seifried.org/lasg/
This is a Linux admin's security guide. It's good IMO.
Later guys and gals..................