File system, control method, and program

摘要

A file system (12) which operates under an operating system (10) has: an access executing unit which, when an access such as writing or reading to/from a file (14) occurs, processes the file in accordance with the access; a user defined process holding unit (15) which holds a user defined process (16-1, 16-2) which has previously been defined by the user; and a defined process executing unit which executes the user defined process by using the access to the file (14) as a trigger. <IMAGE>