Several options are operating system dependent.
Explorer.exe c:\ Open directory as a single pain of icons Explorer.exe /e,c:\ Explore drive as 2 lists - directories on left & files on right Explorer.exe /e,/root,c:\ Explore drive without showing other drives Explorer.exe /n,/e,/select Opens showing only drives Explorer.exe /n,/e,/select,c:\ Opens showing only drives - Win 98 Explorer.exe /e,/idlist,%I,%L From Folder\..\Explore in the registry %I - ID number %L - Long filename Explorer.exe /e,DriveOrDirectory Explorer.exe /e,/root,directory,sub-directory Explorer.exe /e,/root,directory,/select,sub-directory
|/e||List (explorer) view, Show large icons if missing (Open view)|
|/root||Sets the top level folder.|
|/select||Specifies that the directory should be selected without displaying its contents.|
|/n||Do not open the selected directory, no effect on NT|
|/idlist,%I||Expects an ID/handle. May help with cacheing. By itself, opens the desktop as icons.|
|/inproc||Stops display of window (I don't know why this is useful)|
Windows Explorer contains 7 icons. In 95 and NT, the 3rd and 4th are different. Use
I have not found a single reference explaining all the options. Some parameters were found by searching the registry, some are from the sources below, and a few are from browsing the executable.