What is the use of a rack in networking?

A rack, in an IT (information technology) context, is a supporting framework that holds hardware modules. In this context, racks typically contain servers, hard disk drives and other computing equipment. Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.