Piece of software designed to update a computer program to fix or improve it
Also known as bug patch · software fix · bug fix · software patch · patches · hotfix
18 statements · 11% with external sources · numbers in brackets are citations
9 identifiers linking patch across the web's reference databases
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A patch is data for modifying an existing software resource such as a program or a file, often to fix bugs and security vulnerabilities. To patch is also the process of applying the data to the existing resource. Patching a system involves applying a patch. A patch may be created to improve functionality, usability, or performance. A patch may be created manually, but commonly it is created via a tool that compares two versions of the resource and generates data that can be used to transform one to the other.