What should be the exact definition of a file in an operating system

The exact definition of a file by the operating system should be a collection of programs and data recorded on the storage medium. System files refer to the folders that store the main files of the operating system. They are generally automatically created during the installation of the operating system and related files are placed in the corresponding folders.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The exact definition of a file by an operating system should be a collection of programs and data recorded on a storage medium.

System files refer to the folders that store the main files of the operating system. They are generally automatically created during the installation of the operating system and the relevant files are placed in the corresponding folders. The files here directly affect the normal functioning of the system. Operation, most do not allow arbitrary changes. Its existence plays an important role in maintaining the stability of the computer system.

Files are classified according to their nature and purpose, and can be divided into system files, library files, and user files. System files are one of them and are a type of file.

Purpose of folding classification

Distinguish and manage different files, improve system efficiency; improve user interface friendliness.

Folding is classified according to the nature and purpose of the file.

System files, library files, user files.

How to protect folded files.

Read-only files, read-write files, executable files, unprotected files.

The retention period of folded files.

Temporary files, archive files, permanent files.

The suffix of the folded file.

exe, com, bin: executable file; c, cc, cpp, java, pas: program source code; bat, sh: command file; txt, doc: text data, text document; lib, dll : library file; zip, rar: compressed file; mpeg, mov, rm: multimedia file.

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