Some Unix Commands

DON'T FORGET TO LOGOUT. Click on exit and then confirm. ^d will log you out of a window only

boldface indicates a unix command
italics indicates arguments to the command. These are user supplied files, directories, etc. as appropriate.
^ indicates a control character. For example to do a ^c, hold the control key down while c is pressed. This is like using the shift for uppercase letters.

passwd	Change your password.

ls	List the files in the current directory.
ls -l	List the files in the current directory with additional info.
ls -al	List ALL the files in the current directory with additional info.

	The commands cp, mv, and rm all may delete a file. The destination file, file2, in the case of cp and mv is overwritten and the old contents are lost. A DELETED FILE IS UNRECOVERABLE. Be careful with these commands.
cp file1 file2	An identical copy of file file1 is made and is named file2 .
mv file1 file2	File file1 is renamed (moved) to file2 .
rm file	File file is deleted (removed).

lpr -Pprinter file	Print file file . DO NOT PRINT NONTEXT FILES LIKE A.OUT! For the print commands printer may be graphlab (room 243) or xterm lab (room 160)
lpq -Pprinter	Show entries on the laser printer queue in the specified location.
lprm -Pprinter job-id	Remove entries from the laser printer queue. Get job-id from lpq

man command	The manual page for command is displayed on the screen. Pressing the spacebar scrolls through the entry, q to quit.
more file	View (ascii) file file . Pressing the spacebar scrolls through the file, q to quit.
vi file	Start the vi editor on file file .
emacs file	Start the emacs editor on file file .
file file	Determine what type of file file is; ascii (text), executable, etc.