Linux / Unix:

5. Parameter expansion. Use parameter expansion in a single command line to produce a couple of lines of info about YOU. (The YOU can be any group member.) Here's the output from my solution. The bolded parts are those that you must use parameter expansion to obtain. You do not have to actually bold those sections of the message.

My username on host voyager.deanza.edu is mam-p. My home directory is /home/staff/mam-p; my default shell is /bin/bash.