It's worth noting this will help you greatly with your ability to use C, but it will not be immediately useful if your goal is learning to use C within the cont

It's worth noting this will help you greatly with your ability to use C, but it will not be immediately useful if your goal is learning to use C within the context of Unix-like systems. That is, you won't have access to a significant portion of the libraries most people expect. This will teach you how those libraries - and the system software/OS itself - are built.