1    /LOG

       /LOG
       /NOLOG (default)

    Controls whether log messages are displayed after the file is
    deleted.

2    /TREE

    This deletes all the files in the directory and all its
    subdirectories and the directory itself.

    The specification must be a directory or a fully wildcarded
    filename. This is the nuclear option - use /SUBDIR for the
    neutron version.

3    /SUBDIRECTORY

    This deletes all the files in the directory and in all its
    subdirectories but does not delete any of the directory entries.
    If /TREE is the nulcear option, /SUBDIR is the neutron version.
    Removes the files but leaves the directory structure standing.

4    /PROMPT

    Controls whether to prompt for file deletion