Did LFS twice, I left with a broken system I couldn't understand but many hours of sed patch [vaguely] useful syntax mastery (I tried not copy paste the commands and typed them on my own)

No disrespect, but this is backward.. it was fun to see the network stack acting chaotic. IRC worked fine, HTTP did not. Terminal had color issues sometimes. Made me appreciate the intricacies but left me totally clueless about why; which I thought was the point of assembling an OS bit by bit.