If like us you’re always hitting Apple + Q accidentally and closing chrome, and all your tabs with it – This is for you!
You can reassign menu commands in Mac’s System Preferences menu to different shortcuts, either for individual applications or for all applications. This will let you effectively reassign Cmd-Q to anything (or nothing), if you’d like.
1. Go to System Preferences, and select Keyboard.
2. Click on Keyboard Shortcuts, then select the Application Shortcuts menu bar in the lower left.
3. Click the “+” button to add a shortcut for an application. For this example, we’ll disable Cmd-Q for Google Chrome.
4. Figure out the command name for Google Chrome’s “Quit” by going to the menu bar in Google Chrome and finding the menu item. In Chrome, under the “Chrome” menu bar element, you can find the action “Quit Google Chrome” attached to Cmd-Q.
5. Put the exact name of the menu action item as a new keyboard shortcut in the Keyboard Shortcut options.
6. Select a shortcut that isn’t Cmd-Q (for example, Cmd-Option-Q). Click “Add” to finish the setting.
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