About Patches

A patch is really just a textfile which show additions and substractions to be made in other text files in a folder. So, basically it's a diff.

An easy way to create a patch is using the program diff. Applying a patch is usually done using the program called patch.

Creating patches from source directories

The most common usage for patches is for adding small amount of code to an existing source. There are a number of ways to create the patch, depending on the source, and a few ways to apply it as well.

Using Diff