How to Find Linux OS Version

Following are the some of the methods to find the OS version on Linux machine.

Use uname command which print certain system information such as:
Kernel version and name,Print the machine hardware name and print the processor type.

a - Print basic information currently available from the system.

v - Print the operating system version.

r - Print the operating system release level.

Type the commands below to get the Linux OS verison.

* uname -avr

* uname -mrsn


More method


You can also obtain kernel version from /proc/version file:

$ cat /proc/version