Library /sys$common/syshlp/lse$help.hlb SET_PROMPT_ABORT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Syntax:  SET PROMPT ABORT user_key_name add_remove

  Defines keys for aborting a prompt.

  Using a prompt abort key at any prompt, aborts that prompt and
  prevents the command from executing.  The default abort keys are
  Ctrl/C, Ctrl/Z and F10.

  RELATED COMMANDS:

     SET PROMPT commands         SHOW PROMPT ATTRIBUTES