ready-made drivers for specific peripherals.
The more devices the OS
supports, the more chance it has of practical use .
File Management And File Systems
For OS users and programmers, disk space is provided as a set of
files
organized into a
file system. A file is a set of files on a file system that can
be accessed by name. The term "file system" can be used for two concepts:
the principle of organizing data in the form of files and a specific set of data
(usually the corresponding part of the disk)
organized in accordance with
this principle. As part of the OS, it can be implemented simultaneously
supported and ICA several file systems.
File systems are considered at the logical and physical levels. The logical
level defines the external representation of the
system as a collection of
files (usually located in directories), as well as performing operations on
files and directories (creation, deletion, etc.). The physical layer defines the
principles of allocation of data structures of the file system on the drive.
