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How can I determine the version of the running kernel?

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The bit about the wiki and the FAQ should be in your answer, not the question. – Jorge Castro Aug 22 '10 at 20:09
All three of the "questions" you've posted so far are just advertisements (non-commercial and I'm assuming good intentions, but still advertisements) for that wiki and FAQ. That kind of advertisement is really not one of the goals of SE sites. – Roger Pate Aug 23 '10 at 5:38
Someone with the enough rep should remove the advert because otherwise this is a great question which deserves an answer on this site. – trampster Aug 23 '10 at 11:21
Jorge, it didn't make sense to me to have the question title and the question body be the same text. – Brad Figg Aug 23 '10 at 15:56

3 Answers

up vote 4 down vote

if you don't want to open a terminal, you can view your kernel version using gnome-system-monitor. Look for the system monitor in the menu and look in the first tab System.

enter image description here

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up vote 11 down vote

The official version of an Ubuntu kernel is found in the /proc/version_signature file. This file contains both the full Ubuntu version of the kernel and the mainline version on which it is based. The first field is always Ubuntu, the second field is the Ubuntu kernel version, and the final field is the upstream version:

$ cat /proc/version_signature
Ubuntu 2.6.35-6.9-generic 2.6.35-rc3
$

This and many questions just like it are answered in Ubuntu Kernel Team's wiki specifically the FAQ.

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cat /proc/version_signature gives: cat: /proc/version_signature: Datei oder Verzeichnis nicht gefunden on Ubuntu Precise Pangolin 12.04. This: cat /proc/version works. – BuZZ-dEE Oct 17 '12 at 12:54
up vote 17 down vote

uname -a and uname -r will give you the information of the kernel used.

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