/sys$common/syshlp/DBG$UIHELP.HLB  —  DEBUGUI  msg_help
  Debugger diagnostic messages are displayed in the command view.  To
  display help on a particular message:

  1.  Choose On Commands from the Help menu of a debugger window.

  2.  Choose Messages from the list of Additional Topics.

  3.  Choose the message identifier from the list of Additional Topics.
Close Help