Operating Systems

Prabhaker Mateti

03/18/02

This is a list of standard Unix commands that you should be familiar with. The word "show" below means display to the stdout.

`bash`	Bourne-Again Shell
bg	background
`cat`	show each file in sequence
`chmod`	change the permission on a file
`chown`	change the owner of a file
`cmp`	compare two files
`ddd`	the Data Display Debugger front end to gdb
`df`	show mounted volumes, etc
`du`	show disk blocks used for one or more directories
`emacs`	the all-powerful text/binary editor; try `xemacs` also
`env`	lists the current environment variables
fg	foreground
`grep`	print lines matching a pattern
`kdbg`	KDE front end to debugger
`kill`	kills a running program
`ln`	creates a link between two files; try `ln -s`
`ls`	list contents of directory; try `ls -lisa`
`lynx`	WWW/News/Mail browser; try `lynx news:wright.ceg.433`
`make`	maintain, update, and regenerate related programs and files
`man`	show reference manual pages; try `man -k`
`mkfs`	make (construct) a file volume
`nohup`	run a command immune to hangups
od	octal dump; try od -x file-name
`ps`	shows current processes
`set`	set/get and show the values of shell variables
`source`	shell built-in: execute the cmds in a file
time	a prefix to commands, times the command and prints page faults etc.
`umask`	get/set the file mode creation mask
`w`	who is on the system, and what they are doing
`xxgdb`	GUI interface to `gdb` source code debugger

03/18/02 01:14:40 AM