This command works under all Linux distroubtions and other UNIX like operating systems such as FreeBSD, OpenBSD, Solaris, HP UX etc. Type the following command to see running kernel version:
$ uname -r
$ uname -r
Output:
2.6.22-14-generic
Where,
2 : Kernel version
6 : The major revision of the kernel
22 : The minor revision of the kernel
14 : Immediate fixing / bug fixing for critical error
generic : Distribution specific sting. For example, Redhat appends string such as EL5 to indicate RHEL 5 kernel.
Another common usage:
$ uname -mrsn
6 : The major revision of the kernel
22 : The minor revision of the kernel
14 : Immediate fixing / bug fixing for critical error
generic : Distribution specific sting. For example, Redhat appends string such as EL5 to indicate RHEL 5 kernel.
Another common usage:
$ uname -mrsn
Output:
Linux moon.nixcraft.in 2.6.18-53.1.4.el5 x86_64
/proc/version file
You can also obtain kernel version from /proc/version file:
$ less /proc/version
$ more /proc/version
$ cat /proc/version
/proc/version file
You can also obtain kernel version from /proc/version file:
$ less /proc/version
$ more /proc/version
$ cat /proc/version
Output:
Linux version 2.6.18-53.1.4.el5 (brewbuilder@hs20-bc2-3.build.redhat.com) (gcc version 4.1.2 20070626 (Red Hat 4.1.2-14))
