Command Delete - Moves file to trash Command Shift Delete - Empty trash with dialog Command Shift option Delete - Empty trash without dialog Command a - Select all Command Option Eject - Sleep Control Command Eject - Quit all apps and restarts Command 1 - View menu as icons Command 2 - View menu as list Command + Spacebar - Open spotlight. You can use this to open apps, type in calculations and find word definitions. Command H - Hides open windows Open terminal and type, say hello Don't use any punctuation or forget to type the word say before your text. The Mac will then say, "hello" Click once on a file and then press the spacebar to see a preview of it. Click on a file once and then hit enter to change the name of the file.