The following commands are used to debug multiprocess programs.
    Note that these commands are specific to multiprocess programs.
    Many of the commands listed under other categories have
    qualifiers or parameters that are specific to multiprocess
    programs (for example, SET BREAK/ACTIVATING, EXIT process-spec,
    DISPLAY/PROCESS=).

    CONNECT                Brings a process under debugger control
    DISCONNECT             Release a process from debugger control
    DEFINE/PROCESS_GROUP   Assigns a symbolic name to a list of
                           process specifications
    DO                     Executes commands in the context of one or
                           more processes
    SET MODE               Controls whether execution is interrupted
    [NO]INTERRUPT          in other processes when it is paused in
                           some process
    (SET,SHOW) PROCESS     Modifies the multiprocess debugging
                           environment, displays process information