1    /BRIEF

    Displays summary information for each volume.

2    /FULL

    Displays a complete list of information about each volume. This
    is the default.

3    /NAME

       /NAME=DISK$volume_label

    Displays information for the volume with the specified name.

4    /STATISTICS

    Displays the read and write I/O activity for this volume. The
    /STATISTICS qualifier is incompatible with the /BRIEF qualifier.