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Cc: freebsd-questions@freebsd.org
Subject: [compiling & installing FreeBSD]
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alligator424@free.fr writes:

>  does "make installworld " do any backup of the files it touch? is
>  any way to failback that "installworld"?

	Have you read the section of the handbook which explains the
accepted procedure for updating the system?


				Robert Huff