You get a proper fork, alarm works, signals behave mostly as under unix.
Downside:
It was much slower (circa. 5.6.1)
You don't get (and often cannot build) all the nice native platform stuff that comes with AS.
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
Lingua non convalesco, consenesco et abolesco. -- Rule 1 has a caveat! -- Who broke the cabal?
"Science is about questioning the status quo. Questioning authority".
The "good enough" maybe good enough for the now, and perfection maybe unobtainable, but that should not preclude us from striving for perfection, when time, circumstance or desire allow.