Chapter 2: Using the Command-Line Interface 21
Command Completion and Abbreviation
Command completion finishes spelling the command when you type enough
letters of a command to uniquely identify the command keyword. Once you have
entered enough letters, press the SPACEBAR or TAB key to complete the word.
Command abbreviation allows you to execute a command when you have entered
enough letters to uniquely identify the command. You must enter all of the
required keywords and parameters before you enter the command.