Tuesday, February 128, will be devoted to some hot operating systems. This week's hand-outs include six papers for you to read for the class. When reading the papers, think about the goals of the developers of each system, and how the goals affected the designs.

D. M. Ritchie and K. Thomson, "The UNIX Time-Sharing System," Communications of the ACM, 17(7):365-375, July 1974.

M. Accetta, R. Baron, W. Bolosky, D. Golub, R. Rashid, A. Tevanian, and M. Young, "Mach: A New Kernel Foundation For UNIX Development," Proceedings of the 1986 Summer USENIX onference, pp. 93-112, Atlanta GA, 1986.

R. Pike, D. Presotto, K. Thompson, and H. Trickey, "Designing Plan 9," Dr. Dobbs Journal, pp. 49-60, January 1991.

H. Custer, "A Grand Tour of Windows NT: Portable 32-bit Multiprocessing Comes to Windows," Microsoft Systems Journal, pp. 17- 31, July-August 1992.

G. Hamilton and P. Kougiouris, "The Spring nucelus: A microkernel for objects," Proceedings of the 1993 Summer USENIX Conference, pp. 147- 159, Cincinnati OH, June 1993.

D. Major, G. Minshall, and K. Powell, "An Overview of the NetWare Operating System," Proceedings of the 1994 Winter USENIX Conference, pp. 355-372, San Francisco CA, January 1994.