OPERATING SYSTEM -- FILE SYSTEM
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Data is a named collection of related information that may be recorded on second storage such as magnetic hard disks, magnetic coup and optic disks. On the whole, a file is a sequence of bits, bytes, lines or records in whose meaning is defined by files originator and end user.
File framework is a framework, which is relating to a required format that operating system can easily understand. A file has a selected defined composition according to its type. A text file is known as a sequence of characters structured into lines. A source file is a sequence of procedures and functions.
A subject file is a sequence of bytes structured into obstructs that are understandable by the machine. When main system defines different file constructions, it also contains the code to support these record structure. Unix, MS-DOS support minimum number of file composition.
File type refers to the capability of the main system to distinguish different types of file including text data source files and binary files and so forth Many systems support most files. Operating system like MS-DOS and UNIX have the subsequent types of files:
They are the data that contain end user information.
These kinds of may have text, databases or executable program.
The consumer can apply various functions on this sort of files like add, change, delete and even remove the entire file.
Directory site files
These types of files include list of record names and other information associated with these documents.
Special data files:
These documents are also generally known as device files.
These data represent physical device just like disks, ports, printers, systems, tape travel etc . These kinds of files happen to be of two types
Character special files -- data can be handled figure by persona as in case of terminals or ink jet printers. Block exceptional files -- data is definitely handled in blocks such as the case of disks and tapes....