Why when explaining, giving examples of shell command are people so often providing shortened arguments. It makes it all seam like some random letters you have to remeber by heart. Instead of -x just write --extract. If in the end they endup using the tool so often they need to write it fast they’ll check the shortcuts.

Making your own engine is worthwhile learning experience. The same as trying to recreate any of the foundational tools that you use. Might not be the fastest or best way to make a game but a good way to make yourself a better developer.