Mac computers are quite famous for the intuitive way of using them, here is the list of the most important shortcuts to know:
| Menu commands | |
| Keyboard shortcut | Description |
| Shift-Command-Q | Apple Menu Log out |
| Shift-Option-Command-Q | Apple Menu Log out immediately |
| Shift-Command-Delete | Finder Menu Empty Trash |
| Option-Shift-Command-Delete | Finder Menu Empty Trash without dialog |
| Command-H | Finder Menu Hide Finder |
| Option-Command-H | Finder Menu Hide Others |
| Command-N | File Menu New Finder window |
| Shift-Command-N | File Menu New Folder |
| Command-O | File Menu Open |
| Command-S | File Menu Save |
| Shift-Command-S | File Menu Save as |
| Command-P | File Menu |
| Command-W | File Menu Close Window |
| Option-Command-W | File Menu Close all Windows |
| Command-I | File Menu Get Info |
| Option-Command-I | File Menu Show Attributes Inspector |
| Command-D | File Menu Duplicate |
| Command-L | File Menu Make Alias |
| Command-R | File Menu Show original |
| Command-T | File Menu Add to Favorites (Mac OS X 10.2.8 or earlier), Add to Sidebar (Mac OS X 10.3 or later—use Shift-Command-T for Add to Favorites) |
| Command-Delete | File Menu Move to Trash |
| Command-E | File Menu Eject |
| Command-F | File Menu Find |
| Command-Z | Edit Menu Undo |
| Command-X | Edit Menu Cut |
| Command-C | Edit Menu Copy |
| Command-V | Edit Menu Paste |
| Command-A | Edit Menu Select All |
| Command-1 | View Menu View as Icons |
| Command-2 | View Menu View as List |
| Command-3 | View Menu View as Columns |
| Command-B | View Menu Hide Toolbar |
| Command-J | View Menu Show View Options |
| Command - [ | Go Menu Back |
| Command - ] | Go Menu Forward |
| Shift-Command-C | Go Menu Computer |
| Shift-Command-H | Go Menu Home |
| Shift-Command-I | Go Menu iDisk |
| Shift-Command-A | Go Menu Applications |
| Shift-Command-F | Go Menu Favorites |
| Shift-Command-G | Go Menu Goto Folder |
| Command-K | Go Menu Connect to Server |
| Command-M | Window Menu Minimize Window |
| Option-Command-M | Window Menu Minimize All Windows |
| Command-? | Help Menu Open Mac Help |
| Command-Space | Open Spotlight (Mac OS X 10.4 or later) |
| Command-esc | Front Row Activates Front Row for certain Apple computers |
Find the whole list on their support pages.