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emacs: Auto Save

 
 18.6 Auto-Saving: Protection Against Disasters
 ==============================================
 
 From time to time, Emacs automatically saves each visited file in a
 separate file, without altering the file you actually use.  This is
 called “auto-saving”.  It prevents you from losing more than a limited
 amount of work if the system crashes.
 
    When Emacs determines that it is time for auto-saving, it considers
 each buffer, and each is auto-saved if auto-saving is enabled for it and
 it has been changed since the last time it was auto-saved.  The message
 ‘Auto-saving...’ is displayed in the echo area during auto-saving, if
 any files are actually auto-saved.  Errors occurring during auto-saving
 are caught so that they do not interfere with the execution of commands
 you have been typing.
 

Menu

 
· Files Auto Save Files.       The file where auto-saved changes are
                                   actually made until you save the file.
· Control Auto Save Control.   Controlling when and how often to auto-save.
· Recover                     Recovering text from auto-save files.
 

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