General Shortcuts

• Cmd + Space - Open Spotlight search
• Cmd + Tab - Switch between open applications
• Cmd + Q - Quit the current application
• Cmd + , - Open preferences for the current application
• Cmd + H - Hide the windows of the current application

Text Editing

• Cmd + C - Copy selected text
• Cmd + X - Cut selected text
• Cmd + V - Paste copied or cut text
• Cmd + Z - Undo last action
• Cmd + Shift + Z - Redo last undone action

Window Management

• Cmd + M - Minimize window
• Cmd + W - Close window
• Cmd + Ctrl + F - Toggle full screen
• Cmd + F3 - Show all open windows (Mission Control)