BASIC UNIX COMMANDS
wfw @ SDSU                                    2003 Sep 01
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Files and Directories                         Disk Usage
_________________________                     _________
ls          pwd        cd                     du
rm          mv         cp                     df
mkdir       rmdir
chmod
head        tail
more        less       cat
diff        grep       sort
tar             


System and Processes                          Printing
_________________________                     ________
top         source                            lpr   (e.g. lpr -Plaser)
ps          kill -9                           lpq
nice        at                                lprm
^z  = put in background
fg  = bring to foreground


Shell
_____
>      = redirect output into a file
>>     = append output at end of an exisiting  file
<      = use a file as input rather than keyboard
|      = "pipe" = use the output of one command as input into another
&      = run in the background
source = execute the commands in the file
alias    (e.g. rm 'rm -i' )
setenv   (e.g. setenv HOME /home/wfw)
echo $VARIABLE = show what VARIABLE is


Special Characters
__________________
~    = home directory
.    = current directory
..   = up one directory level
*    = wildcard of any length
?    = wildcard of one character
tab  = complete the command
^s   = suspend output  ( ^  means the <control> key)
^q   = restart output
^a   = go to start of line


Programming & Executing                       Remote
_______________________                       ______
source                                        ssh (telnet)
f77 or g77                                    scp (ftp)
cc  or gcc                                    ping


Miscellaneous
__________________________
man  (and "info" on linux)
wc              
date        passwd
which
mdir, mcopy  (for floppies)


Some Vital Programs
_________________________
xterm
compress/uncompress   (creates .Z files)
gzip/gunzip           (creates .gz files)
gs         (or ghostscript/ghostvew for reading .ps or .pdf)
acroread   (for reading .pdf)

xv, xfig, gimp
LaTeX, xdvi, dvips
StarOffice/OpenOffice


Text Editors 
____________
vi, emacs, pico, nano, joe, jed, vim, etc.