Hint on auto-start
This app works great. Play with the preferences to make the most of it. If you want it to start automatically at start up first open SystemPreferences/Users&Groups/LoginItems. Then unlock Users&Groups by clicking on the lock in the lower left corner of the window. Next, open up MemoryFreer preference. Select "Automatically launch MemoryFreeer when I log in." You will see MemoryFreer appear under Users&Groups Login Items. Make any other adjustments to MemoryFreer Preference that you like. Finish by locking Users&Groups. Close both preferences windows.
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MemoryFreer, v1.2.2