Library /sys$common/syshlp/dbg$help.hlb DEBUG, SPAWN, Description  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The SPAWN command acts exactly like the DCL command SPAWN. You
    can edit files, compile programs, read mail, and so on without
    ending your debugging session or losing your current debugging
    context.

    In addition, you can spawn a DCL command SPAWN. DCL processes the
    second SPAWN command, including any qualifier specified with that
    command.

    Related command:

       ATTACH