To determine the Operating System/Distribution version from the command line / terminal interface.
How to tell the Ubuntu version?
# lsb_release -r
Release:        7.10
 
How to tell the Slackware version?
# more /etc/slackware-version
Slackware 10.2.0 (x86_64)
 
How to tell Red Hat / CentOS version?
#more /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 5)
How to tell Solaris version?
# more /etc/release
                       Solaris 8 2/04 s28s_hw4wos_05a SPARC
           Copyright 2004 Sun Microsystems, Inc.  All Rights Reserved.
                            Assembled 08 January 2004


