00850 am a2200253 4500 vtls000024823 MTX 990623s1989 nju 001 0 eng d 013638529x 0025-28360 201607251319 VLOAD 201607142315 VLOAD 201310171815 VLOAD 201306271437 VLOAD 200405061313 VLOAD PBRU 621.C642 C732O Comer, Douglas. 48664 Operating system design Vol 1 : The xinu approach / Douglas Comer and Steven Munson New Jersey : Prentice-Hall, 1989 626 p Operating systems (Computers) 29150 System design 7929 Macintosh (Computer- - Programming) 48665 Xinu (Computer operating system) 48666 Munson Steven. 48667 1 22739 22739 0 0 0 0 ENGfl4 PBRU PBRU 1005 2004-05-06 0.00 0 621.C642 C732O 1000037873 2018-06-21 00:00:00 1 2018-06-21 1