root@node1 Nov 27 21:30:57 ~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 11.04
Release:    11.04
Codename:   natty
root@node1 Nov 27 21:31:02 ~# readlink -f /proc/self | xargs basename
14571
root@node1 Nov 27 21:31:09 ~# echo $$
14429
root@node1 Nov 27 21:31:11 ~# cd /proc/self; cut -f 1 -d ' ' stat; cd -
14429
/root
root@node1 Nov 27 21:31:47 ~#