It might just be me but I think you are going to have to explain what "port the unix by writing perl program" means.
You might also find that How (Not) To Ask A Question will help you put your question in a way that might get some useful answers.
/J\
In reply to Re: how to port the unix by writing perl program
by gellyfish
in thread how to port the unix by writing perl program
by Anonymous Monk
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