Languages 479-1, 579-1           Summer 1996          Syllabus

SUMMARY OF UNIX COMMANDS AND FEATURES

###

BACKSPACE          Delete last character on command line

CTRL-W             Delete last word on command line

CTRL-U             Delete entire command line

RETURN             Execute command line 

###

date               Current date and time 

who                List users on this machine 

rwho               List all users on all machines 

finger       Display information on user  

clear              Clear the window 

###

man       Display documemtation on  

man -k    Display all commands that involve  

###

CTRL-Z             Interrupt current job 

CTRL-C             Kill current job 

jobs 		show jobs

fg %1 		Return job 1 to foreground

bg %1		Run job 1 in the background

stop %1		Suspend job 1

 kill %1 		kill job 1

 ps 		process status

kill -KILL PID	will immediately terminate the process

###

 .                  Current directory

 ..                 Parent of current directory

~            Home directory of user 

~                  Your home directory

###

pwd                Print name of working directory

cd       Connect to directory  (. by default)

ls       List contents of directory  (. by default)
    -a                 List even the files that begin with "."
    -F                 Mark directories and executables in the listing
    -l                 Display extra information

###

mkdir           Create a directory 

cat             Display contents of file 

more            Display contents of file  one page 
at a
                              time

rm              Delete file 
    -r                        Delete even if a directory

cp    Copy one file into another
    -r                        For copying a directory and all its contents

mv    Rename a file or directory

rmdir           Delete empty directory 

###

chmod 		Change protection mode

grep 	(Global Regular Expression) Grep is a utility that allows you to 
search for a character string in a file.

*	Wildcard for multiple characters

?	Wildcard for single character

history	It will display the last x commands that you have issued in a 
Unix shell window

spell [filename]	to find all of the misspelled words in a file

alias [nickname] [command] 	to abbreviate commands

echo 		Print to the Screen

| 	pipe (e.g. "ls | more")

>	pipe out to (e.g. "ls > filename")
<	pipe in to (e.g. "mail < filename")

###

.login	is a shell script that is run every time you log in

.cshrc,	is a script file that is executed every time you start a new
shell

.plan	allows you to give a brief description of yourself (seen by 
others through finger)