Taken from: http://support.microsoft.com/support/kb/articles/Q152/4/57.asp

Windows NT Explorer Command-Line Options

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The information in this article applies to:

Microsoft Windows NT Workstation version 4.0
Microsoft Windows NT Server version 4.0
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server

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SUMMARY
This article lists the command-line switches that you can use with Windows NT Explorer (Explorer.exe) in Windows NT version 4.0

MORE INFORMATION

Explorer [/n] [/e] [(,)/root,<object>] [/select,<object>]

/n Opens a new single-pane window for the default
selection. This is usually the root of the drive Windows
NT is installed on. If the window is already open, a
duplicate opens.

/e Opens Windows Explorer in its default view.

/root,<object> Opens a window view of the specified object.


/select,<object> Opens a window view with the specified folder, file or
application selected.

Examples:

Example 1: Explorer /select,C:\TestDir\TestApp.exe

Opens a window view with TestApp selected.

Example 2: Explorer /e,/root,C:\TestDir\TestApp.exe

This opens Explorer with C: expanded and TestApp selected.

Example 3: Explorer /root,\\TestSvr\TestShare

Opens a window view of the specified share.

Example 4: Explorer /root,\\TestSvr\TestShare,select,TestApp.exe

Opens a window view of the specified share with TestApp selected.

Additional query words: prodnt shell nthowto