NETWORK SYSTEM

There is provided a network system in which, when the data of a plurality of pages having a hyperlinked structure is prepared for a server machine, a user can easily access an arbitrary service of an arbitrary page by using keys arranged on a user terminal.The network system includes a server machine and a plurality of user terminals 30. The server machine includes a memory for storing data of a plurality of pages having a hyperlinked structure described in a language along the specification of the HTML, and setup data described in the language along the specification of the HTML to perform allocation of functions of keys of the user terminal for each page and explanation of the functions allocated to the respective keys.Each of the user terminals 30 includes a plurality of keys 42 and processing means for displaying a page supplied from the server machine on a display 32. The processing means reads, when another page is selected by a key operation of a user, setup data of the corresponding other page from the server machine, sets up the functions of the keys 42, and performs a setup operation for displaying explanation of the functions of the keys 42 on the display 32.