Utility software, a subset of system software, is purpose-built to assist in tasks like analyzing, configuring, optimizing, and maintaining computer systems. It plays a crucial role in enhancing system performance and ensuring smooth, efficient operation.

Anti-Virus

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Scan for computer viruses among files and folders (e.g. Kaspersky, McAfee, AVG, Avast, Microsoft Defender)

Archivers

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Output a stream or a single file when provided with a directory or a set of files (e.g. 7-Zip)

Data Compression

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Output a shorter stream or a smaller file when provided with a stream or file (e.g. Winzip, WinRAR)

Back-Up Softwares

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Used to perform a backup; they create supplementary exact copies of files, databases or entire computer (e.g. EaseUS)

Encryption

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use a specific algorithm to produce an encrypted stream or encrypted file when provided with a key and a plaintext (FileVault2)