mark@looksaus:~$ uname -a
Linux looksaus 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux
mark@looksaus:~$ cat /proc/version
Linux version 2.6.20-16-generic (root@terranova) (gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #2 SMP Thu Jun 7 20:19:32 UTC 2007
Here you are:
mark@looksaus:~$ uname -a
Linux looksaus 2.6.20-16-generic #2 SMP Thu Jun 7 20:19:32 UTC 2007 i686 GNU/Linux
mark@looksaus:~$ cat /proc/version
Linux version 2.6.20-16-generic (root@terranova) (gcc version 4.1.2 (Ubuntu 4.1.2-0ubuntu4)) #2 SMP Thu Jun 7 20:19:32 UTC 2007
mark@looksaus:~$ cat /proc/version_ signature 16.29-generic
Ubuntu 2.6.20-