Navigation Shortcuts

Shortcut	Action
Cmd + Tab	Switch between apps
Cmd + ~	Switch windows within an app
Ctrl + Left/Right	Switch between Spaces (desktops)
Cmd + ,	Open preferences/settings for current app
Cmd + H	Hide current app
Cmd + M	Minimize window
Cmd + Opt + H	Hide all other apps

Safari Browser

Shortcut	Action
Cmd + T	New tab
Cmd + W	Close tab
Cmd + Shift + T	Reopen closed tab
Cmd + L	Focus address bar
Cmd + R	Reload page
Cmd + Left/Right click	Open link in new tab
Cmd + 1-9	Switch to tab number
Cmd + Shift + ] or [	Next/previous tab