$pwd :: It displays present working directory. (If you login with dwhlabs)

/home/dwhlabs

$logname :: It displays the current username.

dwhlabs

$clear :: It clears the screen.

$date :: It displays the current system date and time.

Day Month date hour:min:sec standard name year
FRI MAY 23 10:50:30 IST 2008

$banner :: It prints a message in large letters.

$banner "tecno"