Essential UNIX commands

Command	Meaning	Example
ls	directory listing	ls ls Documents/HKU ls ~/Desktop
cd	change to directory	cd cd Desktop cd ~/Documents/HKU
pwd	show current directory	pwd
mkdir/rmdir	create/remove directory	mkdir scripting rmdir scripting
man	help pages	man man man ls man ascii
more	show contents of text file	more /etc/passwd
rm	remove file	rm my_obsolete_file
cp	copy file or directory	cp testfile_a testfile_b cp -r folder_a folder_b
mv	rename/move file	mv testfile realfile mv mytestfile anotherfolder