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What is Patch?

abrahim Diamond Medal

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7 years 10 months ago View: 2102 Reply: 6

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A patch is composed of one or more changes. After the patch is loaded, some original programs are affected. The realization of the patch technology depends on the patch facture tool first. The patch file is generated based on the target codes created by the compilation of source codes modified by functions. The patch module operates the patch file and implements the management of the patch. Patches have two kinds, that is, hot patches and cold patches. The difference between the hot patches and the cold patches are that the cold patches must load whole software programs. Hot patches can be installed independently and need not install all the system again. Cold patches, however, need install the software of boards again. The upgrade procedure for the cold patches is identical to some software upgrade procedures. The following two patches are describes as follows:<ul><li>Hot patches, Hot patches are added to the existing version. The hot patches are independent of the server, Install program, or file copying. Thus, the hot patches are software program entities that are installed and uninstalled independently.</li><li>Cold patches, For some errors that are difficult to modify through the hot patches, you have to load the software of boards again. In this situation, you can use cold patches to solve this problem.</li></ul>