shell.md

The basic command list for you to start using shell/terminal in linux/Mac.

some of them may need an argument, depends on the function

shell/terminal

command	function
ls	list of files
cd	go to directory/fold
mkdir	make new directory
touch	create new file
cp	copy files
man	manual of a function
rm	remove/delete a file, be cautious!
emacs	use emacs to edit a file
tab	auto spelling
up arrow	previous command

emacs command list

command	function
C-x C-s	save
C-x C-c	exit
C-k	kill a line
C-y	yank/paste a line
C-a	go to begining of a line
C-e	gp to end of a line

Java Command

command	function
java Hello.java	compile and run Hello.java
javac Hello.java	compile the java file Hello.java into a runnable binary file Hello.class
java Hello	run the binary file Hello.class, no compiling is needed