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Google makes use of its main version control system in a really unusual way. Because the system can handle both very large volumes of commits and large binary files, you get some systems that make use of it in ways you wouldn't see with Git. Some examples:

- Build pipelines that build an artifact based on a build number in a file in version control, then check in a commit that increments that build number for the next job, and finally check in the built artifact in another commit somewhere else.

- An oncall scheduler that uses a big config file to keep track of everything. At the top is a description of the rotation and people involved. At the bottom is a list of names in order for the next, say, 10 cycles. At the beginning of each OnCall cycle, a job deletes the name at the top of the second list, moving the next name to the top. That's who is OnCall. Another job occasionally "refills" the bottom list by generating new rotation cycles from the names at the top and appending them.