Fundamentals of Computer Programming and IT by Pearson

Introduction to Operating System 57

data describing the files of user data). The hierarchical structure usually contains the metadata in the form of

directories of files and sub-directories. Each file is a named collection of data stor

ed on the disk. The file man-

ager implements this abstraction and provides directories for organizing files. It also provides a spectrum of

commands to read/write the contents of a file, to set the read/write position, to use the protection mechanism,

to change the ownership, to list files in a directory, and to remove a file. The file manager provides a protec-

tion mechanism to allow users to administer how ...