Microsoft KB Archive/101886

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Knowledge Base

MS-DOS Shell Displays Undelete's Hidden Sentry Directory

Article ID: 101886

Article Last Modified on 11/22/1999


  • Microsoft MS-DOS 6.0 Standard Edition

This article was previously published under Q101886


The SENTRY directory created by Microsoft Undelete is always displayed in MS-DOS Shell, even though it has the Hidden attribute.


Delete Sentry provides the highest level of protection to ensure that you can recover deleted files. This level of protection creates a hidden directory named SENTRY. When you delete a file, Undelete moves the file from its current location to the SENTRY directory.

The SENTRY directory is created when you load Microsoft Undelete with Delete Sentry protection enabled. For more information on Delete Sentry, see pages 83-89, "Recovering Deleted Files," in the "User's Guide," or query on the following words in the Microsoft Knowledge Base:

undelete and sentry

The hidden SENTRY directory always appears in the Shell directory tree listing, regardless of whether or not the Display Hidden/System Files option is selected in the File Display Options dialog box. This occurs because the MS-DOS Shell is designed to always show directories with the Hidden or System attribute.

If Undelete is loaded with the /LOAD switch (specifying Delete Sentry protection), you cannot delete the files in the SENTRY directory from the MS-DOS command prompt, Shell, or File Manager. To remove the files in this directory, using the /PURGE switch is recommended.

To manually delete files from the SENTRY directory, restart the computer without loading Delete Sentry and then delete the files.


"Microsoft MS-DOS User's Guide" for version 6, pages 83-89.

"Microsoft MS-DOS 6 Technical Reference," pages 345-351.

Additional query words: 6.00 trashcan wastebasket dir

Keywords: KB101886