ls			see current directory's contents
cd directory		change to new directory
pwd			display current directory 
df			view status of disk usage
ps -aef			view current processes/programs
kill -9 WXYZ		kill process # WXYZ

mkdir directory		create a directory
mv file1 file2		rename a file
cp (scp) file1 file2	copy a file (over the internet)
rm file			remove a file
more (less) file	view file

sftp			deposit/retrieve a file over the internet 
			(password-encrypted); use 'get' or 'put'
ssh computer		connect to another computer (password-encrypted)
			
nedit			text editor
emacs			text editor
ghostview file		view a postscript file 
xv file			view a postscript, jpeg, gif, png, tif, ...
soffice			start up StarOffice, a Windows `simulator'
acroread		start up AcroRead (for PDF files)

lpr (-Pps213) file	print a postscript or ASCII file (to printer in PS213)

tar cvf name.tar * 	copy everything into a tar file called name.tar
tar -xvf name.tar       extract everything from a tar file called name.tar

source ~/.cshrc    	update initialization file .cshrc in your home directory

grep xyz file		search for text 'xyz' in 'file'
locate file		search for 'file' on hard disk