$ pwd
/data/zht/perl/cgi-bin
$ config
Content-type: text/html

ok$ more config
#!/usr/bin/perl
use lib '../lib';
use Config::General;

print "Content-type: text/html\n\n";
print "ok";

$ 
$ ls ../lib
Cisco         Config        Sharefunc.pm
$ ls ../lib/Config
General     General.pm