> > > reboot -f dryrun shows whether your system is capable at all.
> > 
> >  Lovely. Is that documented anywhere? I don't see it in the man page for 
> >  reboot(1M). Seems like an ideal extension to the text you proposed along 
> > the 
> >  lines of "To see if your system is capable of fast reboot, run reboot -f 
> >  dryrun".
> 
> dryrun only works on x86.

Nothing prevents "dryrun" from working on SPARC.  The implementation is
in common code.

Sherry

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