command	what it does	remember it
cd [directory]	changes directory	Change Directory
ls	lists files	LiSt
rm [filename]	removes file	ReMove

command	what it does	remember it
C-x C-c	exits	emaX Close
C-x C-s	saves	emaX Save
C-x h TAB	auto-indents file	emaX Highlight, TAB