Starts a Lisp Monitor window.
start-gc-monitor starts a Lisp Monitor window (otherwise known as the GC or Garbage Collector monitor) on the screen
t if it started a Lisp monitor, and
nil if a Lisp monitor was already running on
Note that this works only on Motif. There is no Lisp Monitor window on other platforms.
start-gc-monitor is called automatically when the LispWorks IDE starts, but you can call stop-gc-monitor and
start-gc-monitor any time.
CAPI User Guide and Reference Manual (Windows version) - 3 Aug 2017