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About File Management

The following topics contain more information about file management.

In this section

TopicDescription

File System Functionality Comparison

Tables that list functionality and feature support comparisons for the four main Windows file systems, NTFS, exFAT, UDF, and FAT32.

Files and Clusters

A file is a unit of data in the file system that a user can access and manage.

Creating, Deleting, and Maintaining Files

Functions to use to create, delete, and maintain files.

Obtaining and Setting File Information

Functions to use to get and set file information.

Reading From and Writing to Files

An application reads from and writes to a file by using the ReadFile, ReadFileEx, WriteFile, and WriteFileEx functions.

File and Directory Linking

There are two types of links supported in the NTFS file system: hard links and junctions.

File Compression and Decompression

The NTFS file system uses Lempel-Ziv compression, which is a lossless compression algorithm.

File Encryption

The Encrypted File System (EFS) provides cryptographic protection of individual files on NTFS file system volumes by using a public-key system.

File Security and Access Rights

Because files are securable objects, access to them is regulated by the access-control model that governs access to all other securable objects in Windows.

Input and Output (I/O)

Windows provides the ability to perform input and output (I/O) operations on storage components located on local and remote computers.

Sparse Files

File compression of files that contain mostly zeros makes efficient use of disk space.

Symbolic Links

A symbolic link is a file-system object that points to another file system object. The object being pointed to is called the target.

 

 

 

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