Command Argument Documentation Cheat Sheet by JesseKPhillips

$ program command
	Literal required command as argument
$ program <FI­LE>
	Required Parameters (repla­cment expected)
$ program [FILE]
	Optional Parameter (repla­cement expected)
$ program [-v, --verbose]
	Flag

-f <Fi­leN­ame>
	Single Character, Single Dash
--file <Fi­leN­ame>
	Long Form, Double Dash
-fcvu	-f -c -v -u
	Single Character, Group Multiple flags

$ program {run | test}
	Required Mutualy Exclusive Literal Command Options
$ program -t <FILE | DIRECT­ORY>
	Required Mutually Exclusive Replac­ement Expected

$ program
	User Executed Command
# program
	Elevated Permis­sions
	Could be Executed as $ sudo program