L5: Operating SystemsMIT OpenCourseWarehttp://ocw.mit.edu 6.033 Computer System Engineering Spring 2009 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms.L5: Operating SystemsRobert Morris6.033 Computer System Engineeringmain() {int fd, n;char buf[512];chdir("/usr/rtm");fd = open("quiz.txt", 0);n = read(fd, buf, 512);write(1, buf,
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