Is there a way to turn off autosave feature in Lion OS X?
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http://www.pubarticles.com/article-2-ways-to-disable-autosave-and-versions-on-mac-os-x-lion-1311670708.html

: Disable Autosave and Versions on Lion - Setting 


  
  Go to System Preferences > General 
  Untick "Restore windows when quitting and re-opening apps". 
  Then reboot.