or download this
$ cat /proc/version
Linux version 2.6.11.4-21.14-default (geeko@buildhost) (gcc version 3.
+3.5 20050117 (prerelease) (SUSE Linux)) #1 Thu Aug 24 09:51:41 UTC 20
+06
...
$ perl -e 'system q(uname -a;echo do-something-evil)'
Linux charm 2.6.11.4-21.14-default #1 Thu Aug 24 09:51:41 UTC 2006 i68
+6 i686 i386 GNU/Linux
do-something-evil