Printers can be shared conveniently using the printer server without having to develop an expensive network printer server. Printers can be shared conveniently using the printer server without having to develop an expensive network printer server. Websites can be built using the web server, and operated without maintenance cost. Websites can be built using the web server, and operated without maintenance cost. Data management is made easy with a maximum web storage of 200GB, while up to 253 units can be easily shared with partners or buyers using the Internet router. With Wisegiga, Internet-usage functions can be provided for all functions and operations of an office environment. Wisegiga not only cuts fixed costs, but also allows common computer users with no professional network knowledge to manage and use the system with convenience.