(This may apply to other operating systems that use CUPS)
Open a terminal
mkdir ~/.cups echo "ServerName spool.physics.purdue.edu" >> ~/.cups/client.conf
You may use this same procedure to print from the RCAC clusters, and could work on other Purdue UNIX hosts that have a CUPS client installed.
lpr -P [printer name] [name of file]
lpr -P knuth test.txt