note during using the redhat

To know the version of my Linux:

more /etc/*-release

To know the kernel version:

uname -r

uname -a

To determine my distribution:

lsb_relase -a

cat /etc/issue

cat /etc/redhat-release

cat /etc/system-release

(Actually, these commans have the similar results with the command “more /etc/*-release”)

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(Ref: http://www.linux.com/learn/answers/view/1383-how-can-i-tell-what-version-of-linux-i-have)