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# MS-DOS Upgrade Setup Adds C: \DOS to Each PATH Statement

Article ID: 100854

Article Last Modified on 11/22/1999

APPLIES TO

- Microsoft MS-DOS 6.0 Standard Edition
- Microsoft MS-DOS 6.2 Standard Edition
- Microsoft MS-DOS 6.21 Standard Edition
- Microsoft MS-DOS 6.22 Standard Edition

This article was previously published under Q100854

## SUMMARY

MS-DOS Upgrade Setup adds your MS-DOS directory (typically C:\DOS) to each PATH statement in your AUTOEXEC.BAT file. For example, if your MS-DOS directory is C:\DOS and you have the following two path statements

       PATH=C:\WINDOWS;C:\BATCH
       PATH=%PATH%;C:\BIN

Setup adds C:\DOS; to both of them, resulting in the following:

       PATH=C:\DOS;C:\WINDOWS;C:\BATCH
       PATH=C:\DOS;%PATH%;C:\BIN

If your MS-DOS directory is in the PATH twice, some applications may not behave as expected. For example, Windows Setup finds MS-DOS-based applications twice when it searches your hard disk based on the PATH.

Additional query words: 6.22 6.00 6.20

Keywords: KB100854