GitHub Made Crystal Clear · chapter 1: The GitHub moment

The split

2026-08-27

Figure 1.1 puts the two halves side by side. The left panel is everything that lives on your machine and needs nothing else. The right panel is everything that only exists because a company runs a service. The two arrows in the middle are the only places they touch.

Figure 1.1: The split. Everything on the left is git and belongs to you. Everything on the right is GitHub and belongs to a service you sign in to. Push and pull are the only bridge.
Figure 1.1: The split. Everything on the left is git and belongs to you. Everything on the right is GitHub and belongs to a service you sign in to. Push and pull are the only bridge.

This diagram is one of many in GitHub Made Crystal Clear.

Every chapter opens with the gist, draws the hard ideas, and ends with recipes and sources.

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