File Concept
OS providesa uniform logical viewof infomation storage despite the various
storage media (nonvolatile).
A fileis a logical storageunit.
A file is a named collection of related information that is recorded on
secondary storage.
Types:
Data: numeric; character; binary
Program
In general,a file is a sequence of bits, bytes, lines, or records.
The meaning is defined by the file’s creator and user.
A file has a certain definedstructure, which depends on its type.
Example: text files, source files, object files, executable files
Contiguous logical address space
Operating System Concepts–8thEdition
10.4
Silberschatz, Galvin and Gagne ©2009
