MacOS – Safari doesn’t remember tabs in Mountain Lion

macossafaritabs

In Mac OS X Lion 10.7, Safari preserved the state of my tabs when it closed. This functionality seems to have disappeared in OS X 10.8 Mountain Lion. Is there a way to restore (no pun intended) this feature from with the System Preferences or perhaps a Terminal trick?

Best Answer

Undo quitting of all applications

Apple has slightly changed the wording but the location for this setting is still the same as in Lion:

System Preferences → General → Close windows when quitting an application

Undo quitting for a specific application

This works only with Close windows when quitting an application disabled at the same time.

Type the following command in the Terminal. Then restart the specific application.

In general the syntax is:

defaults write com."producer"."program-name" ApplePersistenceIgnoreState YES

Thus, in your case (Safari.app) it is:

defaults write com.apple.Safari ApplePersistenceIgnoreState YES

You can undo this by using the parameter NO instead.

If you prefer a graphical interface, you can use TinkerTool. But the current version 4.9 only supports the toggling on a per app basis in Lion. I'll update this answer when TinkerTool adds this feature for Mountain Lion as well.

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