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- From: franks@hpuamsa.neth.hp.com (Frank Slootweg CRC)
- Date: Wed, 18 Nov 1992 09:07:05 GMT
- Subject: Re: Help: Dos 5.0 Mirror command
- Message-ID: <27800043@hpuamsa.neth.hp.com>
- Organization: Hewlett-Packard, The Netherlands
- Path: sparky!uunet!charon.amdahl.com!pacbell.com!sgiblab!sdd.hp.com!hpscit.sc.hp.com!scd.hp.com!hpscdm!hplextra!hpcc05!hpbbn!hpuamsa!franks
- Newsgroups: comp.os.msdos.misc
- References: <peter.5@aci_1.aci.ns.ca>
- Lines: 28
-
- peter@aci_1.aci.ns.ca (Peter Cormier) writes:
-
- > I have read that the new MIRROR command will save disk recovery data to be
- > used by the UNFORMAT command. My source indicates that a copy of the FAT
- > and root directory is saved in a file called MIRRORSAV.FIL, and that this
- > file is saved on the disk located in the drive specified by the MIRROR
- > command. My question is this. After a format command has been issued where
- > is the file MIRRORSAV.FIL located? Am I wrong in believing that DOS uses
- > this file to restore the diskette to its condition as of the time the MIRROR
- > command was issued ?
-
- I do not have MS-DOS 5.0 (but DR DOS 6.0), but I think this stuff came
- from Central Point and is similar to those in CP's PC Tools, which I
- have (6.0).
-
- The MIRRORSAV.FIL file is located at the end of the disk and UNFORMAT
- knows how to get it after a FORMAT. This will work for a hard-disk. For
- a diskette it will work if you have not have done a destructive
- (/DESTROY in PC Tools' PCFORMAT) format.
-
- > It appears that Microsoft has once again produced a good piece of
- > software supported by poor documentation.
-
- They did not produce it, but bought it from CP. In the process they
- forgot to supply the CP documentation. Do yourself a favor: Buy a book
- on PC Tools (and a real OS like DR DOS 6.0 :-)).
-
- Frank Slootweg
-