perl
....\Greeting
....\........\n3.html
....\........\n3.pl
....\Read & Write
....\............\n4.pl
....\............\n4.shtml
....\Server Information
....\..................\n1.html
....\..................\n1.pl
....\Unix Commands
....\.............\n2.pl
....\Webmaster
....\.........\p6.html
....\.........\p6.pl