Thing or the function which manages the renewal past record of the data and the like where the source code and the design figure and the document file etc. of the program renewal is done on occasion.
In other than and various document compilations etc. program development and manual writing, making use of the version management system (VCS), it grants version to the file, by the fact that it registers & manages the modification contents such as correction and postscript, it distinguishes new of correction, it prevents the problem such as the atavism of the B part with the correction of the A part. In addition, going back past record, before adding correction, you reset to stage (version), also can do searching the correction place where others do.
The group of people with joint job, show especially power when each one renews the same file.
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