18.3 Saving Files

Saving a buffer in Emacs means writing its contents back into the file that was visited in the buffer.

• Save Commands		Commands for saving files.
• Backup		How Emacs saves the old version of your file.
• Customize Save		Customizing the saving of files.
• Interlocking		How Emacs protects against simultaneous editing of one file by two users.
• Shadowing		Copying files to “shadows" automatically.
• Time Stamps		Emacs can update time stamps on saved files.