Posted 21 December 2008 - 04:34 PM
brentmd, I can tell you this from personal experience.
I spent two years in school becoming a "UNIX System Admin"
Since finishing in 2002 I have yet to administer a "UNIX" box.
I can not tell you the difference between Solaris, HP-UX, or AIX.
All the machines "we" support run RedHat and the ones we don't
run Debian or CentOS.
From an admin stand point you shouldn't have any problems getting
around on a Linux box. And unless you are employed by an outfit that
deploys UNIX clusters you will most likely be working on more Linux
machines then UNIX. (Example: The datacenter at Texas Instruments
uses a UNIX cluster for very specific duties, but the rest of the servers
Current systems: WHAT OS, BackTrack-raw, PCLinuxOS, Peppermint OS 6, Kali Linux
and a custom Linux From Scratch server hosting a bunch of top secret stuff.