Linux vs Windows DOS commands

Here is a comparison between Windows DOS and Linux commands:

Windows DOS	Linux/Cygwin
dir	ls
cd	pwd
cd [path]	(same)
cls	clear
copy [old] [new]	cp [new] [old]
del [file]	rm [file]
move [old] [new]	mv [old] [new]
tree	tree (Linux only) ls -R
mkdir [dir]	(same)
rmdir [dir]	(same)
help [cmd]	man [cmd]
type [file]	cat [file]
date /t	(same without /t)
time /t	date
netstat -an	(same Linux only)
netstat -rn	(same Linux only)
ipconfig /all	ifconfig -a (Linux only)

For more information on Linux commands check out this tutorial or this tutorial (scroll past the ssh stuff).