From: timsuth@... (Tim Sutherland) Date: 2005-05-05T10:19:52+09:00 Subject: Re: MMU-less systems and vfork. In article , Brian Mitchell wrote: [...] >My question was: Will ruby still run when fork is not available >(replacing fork with vfork or cutting out fork). The quick answer is >no. [...] The usual build of Ruby on Windows does not use fork - Ruby does not require fork to operate. If everything goes well, ./configure will notice that fork isn't available, and will not set HAVE_FORK in config.h.