This Is Your Brain On Informatics: Linux Commands

General Linux Command Info

• Almost every single command should have an argument (an input for a function)
• A filename in Linux refers to both a file's name and a directory's name

Common Linux Commands

Command	Syntax	Description
cat	cat filename	Display file’s contents to the standard output device (usually your monitor)
cd	cd /pathname	Change to the given directory
chmod*	chmod options mode filename	Changes a file's permissions.
chown*	chown private_owner:group_owner filename	Changes ownership of the file
clear	clear	Clears the screen by scrolling (does not delete anything)
cp	cp options source destination	Copies a file from the source to the destination
find	find /pathname string	Starts at the indicated directory and searches for the string in a filename
grep	grep options pattern filename	Searches for the pattern in the file
ll	ll /pathname	List Long: lists the details of the entire directory or file indicated
ln	ln options source destination	Link: creates a shortcut
ls	ls /pathname	Lists the files and directories in a given directory