The following is a list of useful UNIX commands:
cd directory path - to change directories
pwd - prints the current working directory on the screen
ll - to list the contents of a directory
ls -al - to list all the contents of a directory (including the .files)
cp filename filename2 - to copy a file into the same directory, but call it something different
mv filename directory path - to move a file from one directory into another
rm filename - to remove a file
mkdir - to make a directory
rmdir - to remove a directory
lpstat printer - lists the active print jobs on a printer
cancel printer-print job - cancels the active print job on a printer
uname -a - to see the computer and software version you are running
ping computername - to see if a computer is up and running
who - to see who is running on the computer that you are logged into
nice -jobname - lowers the priority of a job (# ranges from 1-19; 1=high priority)
top - to list the active processes on the machine you are logged into and get a process id
kill -9 process id - to kill a process
ps -ef | grep keyword - lists the status of the keyword
ie. ps -ef | grep netscape - lists any netsape processes running on that machine, and the process id
df -k - lists disk usage ouput (size available, size used, capacity %) of the machines on the network
df -k | grep d3 - lists only the disk usage output for /shannon/d3 (must be logged into shannon)
when typing in a filename or directory path type the "Esc" key for automatic path or filename completion
xwd |xpr ps |lpr -Pprintername - screen capture and print the output to a printer

To make a snapshot of a window:
cd into specific directory
type: import new_image.jpg (you can call it anything you want, just have the .jpg extension)
your cursor will turn into a "+", click on the window you want to snap shot
the file will be called new_image.jpg and will be in the directory where you're located