When I re-open Safari on my Mac Mini, it keeps opening the same tabs that were open before it was quit (or before the Mac OS X was switched off). The result is that it takes too much time to be operative, especially when I restart my Mac.

In the preference panel, the "Restore windows when quitting and re-opening apps" option is already disabled, but Safari keeps opening the tabs open in the last session. I checked also in my MacBook, which is running Mac OS X 10.7.2, and that option doesn't change the Safari's behavior I describe in this question.


Is there any way to force it not to open all the tabs? I looked at its preferences, but I have not found anything that could help me. Is there any other way to disable this feature?


Quit it with ⌥⌘Q or run in the Terminal

defaults write com.apple.Safari NSQuitAlwaysKeepsWindows -bool false
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    It works perfectly. Now Safari opens faster, and I can access the site I want without to wait at least 2 minutes. Thank you. – kiamlaluno Dec 20 '11 at 22:33
  • You could also hold shift while opening Safari (it doesn't work when apps are opened with Spotlight or Alfred though) or uncheck Restore windows when quitting and reopening apps in the General preference pane. – Lri Dec 20 '11 at 22:35
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    What is "the Terminal" ? You guys said type this into the terminal. What do you mean by Terminal? What is The Terminal? – user118422 Mar 17 '15 at 0:25
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    Macintosh HD/Applications/Utilities/Terminal.app – IconDaemon Mar 17 '15 at 0:50
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    @jaepage The difference is that in the case of my answer you can still save state when quitting if you explicitly say so (by keyboard shortcut or via the menu), while in case of the other answer you can't. – Gio Nov 17 '16 at 14:18

This behavior is the resume feature.

Disable using Terminal

If you only want to disable resume for safari, type this in the terminal:

defaults write com.apple.safari ApplePersistenceIgnoreState YES

If you want to set the resume feature again, simply write NO using the same syntax.

Disable using TinkerTool

This application gives you access to additional preference settings and allows to activate hidden features in the operating system.

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  • TinkerTool is basically doing all those commands for you; it's doing the same job as the terminal command, just with a UI – frumbert Dec 5 '16 at 8:19
  • I can't believe Apple is hiding this behaviour. Well I can believe it and hate it. Thanks for the right command. – Foliovision Mar 5 '18 at 20:27

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