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A patch is data that is intended to be used to modify an existing software resource such as a program or a file, often to fix bugs and security vulnerabilities. [ 1 ] [ 2 ] A patch may be created to improve functionality, usability , or performance .
The computer tool patch is a Unix program that updates text files according to instructions contained in a separate file, called a patch file.The patch file (also called a patch for short) is a text file that consists of a list of differences and is produced by running the related diff program with the original and updated file as arguments.
In computing, the PATCH method is a request method in HTTP for making partial changes to an existing resource. [1] The PATCH method provides an entity containing a list of changes to be applied to the resource requested using the HTTP Uniform Resource Identifier (URI). [1] The list of changes are supplied in the form of a PATCH document. [1]
Approximately 90% of all clients used automatic updates to initiate software updates, with the remaining 10% using the Windows Update web site. The website is built using ASP.NET, and processes an average of 90,000 page requests per second. Traditionally, the service provided each patch in its own proprietary archive file.
Originally software patches were distributed with AutoPatcher but, following legal complaints the software was modified in 2007. [2] [3] It now downloads all patches to a local hard drive from Microsoft's servers (ensuring the files are original and unmodified) and then allows their offline use as before. [4]
Patch management is defined as a sub-practice of various disciplines including vulnerability management (part of security management), lifecycle management (with further possible sub-classification into application lifecycle management and release management), change management, and systems management.
7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. It is developed by Igor Pavlov and was first released in 1999.
The first version of WSUS was known as Software Update Services (SUS). [1] At first, it only delivered hotfixes and patches for Microsoft operating systems. SUS ran on a Windows Server operating system and downloaded updates for the specified versions of Windows from the remote Windows Update site, which is operated by Microsoft.