Trunk, is the backbone, this folder directly under the source code, we create the project, the project source is placed into this folder, import into SVN
Branches, is the branch, the following may have a lot of trunks, such as Trunk_1_0_1, Represents the trunk1.0.1 version, is to modify the 1.0 version of the existence of bug,trunk2.0, is to modify the development on the branch, you can also cut a few branches, each branch development of different functions, first developed to complete the first merge to the trunk first released
tags, is the backup, every time after the release of the corresponding backup of a code, if the day to find out which version has a bug, directly from the backup code to make a branch to modify, modify the completion of another version, and then merge into the trunk
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Trunk,branches,tags deep Understanding in SVN