See all at Mac keyboard shortcuts
- COMMAND + X - Cut
 - COMMAND + C - Copy
 - COMMAND + V - Paste
 - COMMAND + Z - Undo previous command
 - COMMAND + A - Select All Items
 - COMMAND + F - Open a Find window in Finder, or find items in a program
 - COMMAND + M - Minimize current window
 - COMMAND + H - Hide current window
 - COMMAND + OPTION + H - Hide other windows except current
 - COMMAND + TAB - Switch to another running program
 - COMMAND + SHIFT + 3 - Take fullscreen screenshot
 - COMMAND + SHIFT + 4 - Take screenshot of selected area
 - COMMAND + COMMA (,) - Open preferences for current program