1    /ALL

    Ignored except when specified with /BUFFER. Displays the buffer
    objects for all processes (that is, all existing buffer objects).

2    /BUFFER

    Displays the buffer objects for the current process or for all
    processes if /ALL is specified.

3    /LAYOUT

    Displays the process P1 virtual address space layout.

4    /LOGICAL

    Displays the process logical names and equivalence names, if they
    can be accessed.

5    /RECALL

    Displays the DCL recall buffer, if it can be accessed.