This post is older than a year. Consider some information might not be accurate anymore.
This is a small snippet to check the release version of Red Hat Linux.
tan@omega:~> cat /etc/*-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.1 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="7.1"
PRETTY_NAME="Red Hat Enterprise Linux Server 7.1 (Maipo)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.1:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.1
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.1"
Red Hat Enterprise Linux Server release 7.1 (Maipo)
Red Hat Enterprise Linux Server release 7.1 (Maipo)
tan@omega:~> uname -a
Linux omega 3.10.0-229.20.1.el7.x86_64 #1 SMP Thu Sep 24 12:23:56 EDT 2015 x86_64 x86_64 x86_64 GNU/Linux
tan@omega:~> cat /proc/version
Linux version 3.10.0-229.20.1.el7.x86_64 (mockbuild@x86-035.build.eng.bos.redhat.com) (gcc version 4.8.3 20140911 (Red Hat 4.8.3-9) (GCC) ) #1 SMP Thu Sep 24 12:23:56 EDT 2015
