sadm@bioinfo-z:~$ su -
Password:
root@bioinfo-z:~# printenv
SHELL=/bin/bash
TERM=vt100
USER=root
PATH=/usr/local/bin:/usr/ucb:/bin:/usr/bin:/etc:/usr/sfw/bin:/opt/sfw/bin:/opt/SUNWspro/bin:/usr/ccs/bin:/opt/sfw/bin:/opt/SUNWicg/SunScreen/bin
PWD=/home/root
SHLVL=1
HOME=/home/root
LOGNAME=root
_=/usr/local/bin/printenv