Sistemas Operacionais Modernos, A.S. Tanenbaum, 3a edição, Pearson Education do Brasil, 2009 (o popular)
The Design of the UNIX Operating System, M. Bach, Prentice-Hall, 1985. (o clássico)
Unix Internals: The New Frontiers 1st Edition Uresh Vahalia (o bom)
Operating Systems: Three Easy Pieces Remzi H. Arpaci-Dusseau and Andrea C. Arpaci-Dusseau Arpaci-Dusseau Books (bom e aberto http://pages.cs.wisc.edu/~remzi/OSTEP/)