$ uname -a Linux ladydeath 2.6.32-16-generic #25-Ubuntu SMP Tue Mar 9 16:33:12 UTC 2010 x86_64 GNU/Linux
$ cat /proc/version_signature Ubuntu 2.6.32-16.25-generic
$ uname -a
Linux ladydeath 2.6.32-16-generic #25-Ubuntu SMP Tue Mar 9 16:33:12 UTC 2010 x86_64 GNU/Linux
$ cat /proc/version_ signature 16.25-generic
Ubuntu 2.6.32-