Check your Linux OS version or Name

Two very simple command for same:

cat /etc/issue
cat /etc/redhat-release

Just see the difference in output:






uname - Print kernel and system information. It's output will look like as below and tells you nothing about what OS is it:





Where,

• 2.6.32-358 - Linux kernel version number
• SMP - Kernel that supports multi core and multiple cpus.

The output can be interpreted with the following key:
2 – Kernel Version
6 – Major Revision
32 – Minor Revision
358.e16 – Fix/Revision Detail

cat /proc/version  - This output identifies the kernel version that is currently running. It includes the contents of /proc/sys/kernel/ostype, /proc/sys/kernel/osrelease, and /proc/sys/kernel/version files.

Find Distribution Version

Type the following command:
$ cat /etc/*release