Contents of the MS-DOS 5.x and 6.x Upgrade Uninstall Disk (74202)


The information in this article applies to:

  • Microsoft MS-DOS operating system 5.0
  • Microsoft MS-DOS operating system 5.0a
  • Microsoft MS-DOS operating system 6.0
  • Microsoft MS-DOS operating system 6.2
  • Microsoft MS-DOS operating system 6.21
  • Microsoft MS-DOS operating system 6.22
This article was previously published under Q74202

SUMMARY

The following is a list of the contents of the Uninstall disk created when you install Microsoft MS-DOS 5 Upgrade, MS-DOS 6 Upgrade, MS-DOS 6.2 Upgrade, MS-DOS 6.2 Step-Up, MS-DOS 6.21 Upgrade, MS-DOS 6.22 Upgrade, or MS-DOS 6.22 Step-Up. 
   Filename              Description
   -----------------------------------------------------------------------

   IO.SYS       (hidden)  MS-DOS system file
   MSDOS.SYS    (hidden)  MS-DOS system file
   DBLSPACE.BIN (hidden)  MS-DOS system file (MS-DOS 6.x only)
   DRVSPACE.BIN*(hidden)  MS-DOS system file (MS-DOS 6.22 only)
   COMMAND.COM            MS-DOS system file
   AUTOEXEC.BAT           Starts Uninstall
   UNINSTAL.EXE           Uninstall program
   SETUP.INI              Binary data file for Uninstall (MS-DOS 5 only)
   DOSSETUP.INI           Binary data file for Uninstall (MS-DOS 6.x only)
   UPDATE.INI             Binary data file for Uninstall (MS-DOS 6.2 and
                          6.22 Step-Up only)
   GLOBAL.DAT             Data structure needed by Uninstall
   BIOS.OLD               Original IO.SYS file       (optional)
   DOS.OLD                Original MSDOS.SYS file    (optional)
   COMMAND.DAT            Original COMMAND.COM file  (optional)
   AUTOEXEC.DAT           Original AUTOEXEC.BAT file (optional)
   CONFIG.DAT             Original CONFIG.SYS file   (optional)
   WINA20.386             Original WINA20.386 file   (optional)
   MBOOT0.DAT             Original master boot record on first
                          physical hard drive
   PBOOT.DAT              Original boot record on boot partition
   BPB0.DAT               Partition and boot record information from
                          first physical hard drive
   MBOOT1.DAT             Original master boot record on second
                          physical hard drive (optional)
   BPB1.DAT               Partition and boot record information from
                          second physical hard drive (optional)                    
   ROOT.DAT               Original root directory from boot partition
   FAT.DAT                Original file allocation table from boot
                          partition
   DBLSPBIN.HST**         Original DBLSPACE.BIN file (host drive)
   DBLSPINI.HST***        Original DBLSPACE.INI file (host drive)
   DRVSPBIN.HST****       Original DRVSPACE.BIN file (host drive)
   DRVSPINI.HST****       Original DRVSPACE.INI file (host drive)

* This file is present when you install MS-DOS 6.0, 6.2, 6.21, or 6.22 over MS-DOS 6.x and you are using DoubleSpace.

** This file is present when you install MS-DOS 6.22 over MS-DOS 6.22 and you are using DriveSpace.

*** This file is present when you install MS-DOS 6.22 over a previous copy of MS-DOS 6.0 or 6.20 and you are using DoubleSpace.

**** This file is present when you install MS-DOS 6.22 over a previous copy of MS-DOS 6.22 and you are using DriveSpace.

Modification Type:MajorLast Reviewed:5/10/2003
Keywords:KB74202
©2002 Microsoft Corporation. All rights reserved.