Command-K: Open the Connect to Server window.Command–Slash (/): Hide or show the status bar in Finder windows.Option-Command-S: Hide or show the Sidebar in Finder windows.Option-Command-P: Hide or show the path bar in Finder windows.Control-Command-T: Add the selected item to the sidebar (OS X Mavericks or later).Option-Command-D: Show or hide the Dock.Shift-Command-U: Open the Utilities folder.Control-Shift-Command-T: Add selected Finder item to the Dock (OS X Mavericks or later).Shift-Command-T: Show or hide the tab bar in Finder windows.Shift-Command-R: Open the AirDrop window.Shift-Command-P: Show or hide the Preview pane in Finder windows.Shift-Command-O: Open the Documents folder.Option-Command-L: Open the Downloads folder.Shift-Command-K: Open the Network window.Shift-Command-H: Open the Home folder of the current macOS user account.Shift-Command-G: Open a Go to Folder window.Shift-Command-F: Open the Recents window, showing all of the files you viewed or changed recently.Shift-Command-D: Open the desktop folder.Shift-Command-C: Open the Computer window.
(3) In Software Update preferences, check for software updates again. (2) In some apps, such as Calendar or Safari, refresh or reload the page.
If any open documents have unsaved changes, you will be asked whether you want to save them.
Command-Comma (,): Open preferences for the front app.Shift-Command-N: Create a new folder in the Finder.Or use Shift-Command-3 or Shift-Command-4 for screenshots. Shift-Command-5: In macOS Mojave or later, take a screenshot or make a screen recording.Command-Tab: Switch to the next most recently used app among your open apps.Space bar: Use Quick Look to preview the selected item.
Learn how to change a conflicting keyboard shortcut.) (If you use multiple input sources to type in different languages, these shortcuts change input sources instead of showing Spotlight. To perform a Spotlight search from a Finder window, press Command–Option–Space bar.
To close all windows of the app, press Option-Command-W.
Command-O: Open the selected item, or open a dialog to select a file to open.To minimize all windows of the front app, press Option-Command-M. Command-M: Minimize the front window to the Dock.To view the front app but hide all other apps, press Option-Command-H. Command-H: Hide the windows of the front app.To find the previous occurrence, press Shift-Command-G. Command-G: Find Again: Find the next occurrence of the item previously found.Command-F: Find items in a document or open a Find window.In some apps, you can undo and redo multiple commands. You can then press Shift-Command-Z to Redo, reversing the undo command. Command-V: Paste the contents of the Clipboard into the current document or app.Command-C: Copy the selected item to the Clipboard.Command-X: Cut the selected item and copy it to the Clipboard.