Article: Q103544
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:6.0,6.2,6.22
Operating System(s):
Keyword(s):
Last Modified: 22-NOV-1999
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The information in this article applies to:
- Microsoft MS-DOS operating system versions 6.0, 6.2, 6.22
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SUMMARY
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This information applies to both Microsoft DoubleSpace and Microsoft DriveSpace.
For MS-DOS 6.22, use DRVSPACE in place of DBLSPACE for commands and filenames.
The DIR /C command does not report a compression ratio for a file if one of the
following is true:
- The Microsoft DoubleSpace FAT (MDFAT) is damaged.
- The file is open in another Windows virtual machine (VM), and the MDFAT has
not been updated.
- The file was created by Microsoft Backup (or Microsoft Backup for Windows).
To work around this problem, check the file compression ratio in File Manager or
run ScanDisk.
NOTE: The fact that a file does not have a compression ratio does not affect the
ability of DoubleSpace to calculate an actual compression ratio (ACR) for the
whole drive.
MORE INFORMATION
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Additional query words: MWBackup 6.00 6.20
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Keywords :
Technology : kbMSDOSSearch kbMSDOS622 kbMSDOS620 kbMSDOS600
Version : MS-DOS:6.0,6.2,6.22
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