But when I rename tryit.cgi to tryit.pl and it will not work! It showed the not-so-useful server error! Does it mean if one includes use CGI in the program, it has to use .cgi extentsion?

No, it doesn't mean that

Look in the error log , then learn to configure your apache from apache manual

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In reply to Re: cgi.pm and apache by Anonymous Monk
in thread cgi.pm and apache by kflee2000

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