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~>cd /var/www/cgi-bin /var/www/cgi-bin>cat helloworld.pl ... ~>./helloworld2.pl ~>diff helloworld.pl helloworld2.pl ~>
EDIT2: ls -l /usr/bin/perl `which perl` -rwxr-xr-x 2 root root 15660 Mar 13 2006 /usr/bin/perl -rwxr-xr-x 2 root root 15660 Mar 13 2006 /usr/bin/perl