- Choose Force Quit from the Apple () menu, or press Command-Option-Esc. This is similar to pressing Control-Alt-Delete on a PC.
- Select the app in the Force Quit window, then click Force Quit.
How Add a file, folder, or disk on Finder Toolbar
Add a file, folder, or disk: Hold down the Command (⌘) key, then drag the item to the Favorites section. If you don’t see the Favorites section, go to Finder > Preferences > Sidebar, then select at least one item in the section. Add an app: Hold down the Command (⌘) key, then drag its icon to the Favorites section.
Type emoji on a desktop Mac by pressing : control + command + spacebar
The Mac equivalent of the “Home” and “End” keys are fn + left and right arrow, respectively.
SIGNATURES: Open Preview and click on Tools in the menu bar > Annotate > Manage signatures > Create signature. You’ll then be prompted to sign using your trackpad or by holding up your signature on a white paper to your laptop’s camera. When you’re finished, click Done.
Next, open your document in Preview. Then go to Tools > Annotate > select the signature you want to use. You can then drag and drop the signature to anywhere on the document.
Reset LaunchPad via Terminal
to reset LaunchPad with a simple Terminal command:
Open up Terminal and type or copy/paste the following command:
defaults write com.apple.dock ResetLaunchPad -bool true; killall Dock
OS X El Capitan: Use the Character Viewer
Open the Character Viewer: In a document, choose Edit > Emoji & Symbols, or press Control-Command-Space.
If you previously used the Character Viewer, or set the option in Keyboard preferences to show it in the Input menu, you can also open it from the Input menu.
To open Keyboard preferences, choose Apple menu > System Preferences, click Keyboard, then click Keyboard.
Expand or collapse the Character Viewer: Click the expand or collapse button in the upper-right corner of the viewer. You may need to scroll to the top of the viewer.
Browse characters and symbols: Click the buttons across the bottom of the viewer (if it’s collapsed) or along the left edge of the viewer (it it’s expanded). When the viewer’s expanded, additional categories are visible.
If you don’t see a character or symbol, try searching for it by the Unicode name (such as Question Mark) or code (such as U+003F).
For some emojis, such as those for people, you can hold down an emoji to see variations of it.
Insert a character or symbol in a document: Position the insertion point in the document where you want the item to appear, then click the item in the viewer. If the viewer’s expanded, double-click the item.
Make a symbol or character a favorite: Expand the viewer, select an item, then click Add to Favorites. Or drag the item onto Favorites (if shown) in the sidebar.
Customize the Character Viewer: Expand the viewer, then click the Action pop-up menu You can make the symbols larger so they’re easier to see. To change the categories shown in the viewer, choose Customize List, select or deselect categories, then click Done.
If an app doesn’t use Unicode (a worldwide character set that works with most languages), you may not be able to type some special characters and symbols. Try inserting a different character or using a different app.
OS X El Capitan: Use the Keyboard Viewer
Click the Input menu in the menu bar, then choose the input source for the language whose keyboard you want to view.
Choose Show Keyboard Viewer from the Input menu.
If the command isn’t shown, choose Apple menu > System Preferences, click Keyboard, click Keyboard, then select “Show Keyboard, Emoji, & Symbol Viewers in menu bar.”
Press the key on your keyboard that corresponds to the character shown in the Keyboard Viewer, or click keys in the Keyboard Viewer.
Press a modifier key, or a combination of modifier keys, to see special characters or symbols you can type. For example, hold down the Option key or the Option and Shift keys.
If you changed your input source or keyboard layout in step 1, be sure to change it back, if necessary.
If you don’t see a specific character or symbol, try using the Character Viewer.