Library /sys$common/syshlp/sysmanhelp.hlb DO, Parameter  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 command-line

    Specifies a command string that SYSMAN passes to the command line
    interface (CLI) for execution.

    The command DO MCR SYSMAN [SYSMAN-command] is not supported.
    Instead, follow these steps:

    1. Enter MCR SYSMAN at the dollar ($) prompt.

    2. At the SYSMAN> prompt, set the environment to the selected
       node or nodes with the SET ENVIRONMENT command.

    3. Enter a SYSMAN command at the SYSMAN> prompt.

    For complete information about DCL command syntax, refer to the
    OpenVMS DCL Dictionary.