Abstract: A removable information storage medium including at least one computer program for displaying and processing information recorded on the storage medium and information recorded on a server accessible via a telecommunication network, wherein the medium can be operated by host equipment comprising a reader; at least one specific operating system independent of the operating system of the host equipment, the specific operating system replacing on a temporary basis the operating system of the host equipment and including an integration of computer resources for operating the computer program, an integration of drivers controlling peripheral network access devices and peripheral input/output devices for a user interface, the specific operating system not operating drivers of the host equipment, nor modifying any system, any program nor any driver of the host equipment, nor an automatic recognition and activation system upon startup of the peripheral devices launched on the host equipment and required for host equi