Following tip submitted by Chirag:
Most of us use mt command to rewind tapes:
mt -f /dev/st0 rewind
This is old way; you need to type mt command and other options. Instead of using mt use following command:
# < /dev/st0
Thanks chirag this is a neat shortcut for rewinding magnetic tape. This command works with other UNIX oses as well.
In addition, my favorite shortcut to create an empty file: