System and method for backing up computer files over a wide area computer network

摘要

A laptop computer back up logic system (300) copies user selected files or automatically selected files for back up as the laptop computer (24) is being used. Changed files are backed up and stored in a hold area of the laptop computer (24). When the laptop computer (24) senses a network connection and the network (14) is idle, the blocks of the changed files are transmitted from the hold area to a remote facility (12) via the network (14). The backing up process can be triggered within the laptop computer (24) when the screen saver of the laptop computer (24) is invoked.