On: Ask HN: What is a good book on operating systems?

[chirau]

Operating Systems: Three Easy Pieces

Remzi H. Arpaci-Dusseau and Andrea C. Arpaci-Dusseau. It is free here http://ostep.org/

[avichalp → chirau]

Thanks for sharing. This is the first time I have come across this recommendation. It looks interesting.