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Past Exam for CS 3204 - Operating Systems with Butt at Virginia Tech (VT)

Exam Information

Material Type:Practice Exam 2
Professor:Butt
Class:CS 3204 - Operating Systems
Subject:Computer Science
University:Virginia Polytechnic Institute And State University
Term:Spring 2006
Keywords:
  • Particularly
  • Specific Performance
  • Immediately
  • Assumptions
  • Problem Description
  • Utilization
  • Directories
  • Availability
  • Manipulation
  • Internal Fragmentation
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Sample Document Text

CS 3204 Sample Final Exam (Spring 2006) 1/9 CS 3204 Sample Final Exam Solutions are shown in this style. This final exam was given Spring 2006. 1 Virtual Memory (30pts) a) (6 pts) The following is an excerpt from the NetBSD man page for the sysctl(3) function, which allows retrieval and manipulation of named system parameters: #include #include int sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp, size_t newlen); The sysctl function retrieves system information and allows processes with appropriate privileges to set system information. [.] Unless explicitly noted below, sysctl returns a consistent snapshot of the data requested. Consistency is obtained by locking the destination buffer into memory so that the data may be copied out without blocking. On Apr 12, 2006, the NetBSD Team issued an security advisory regarding sysctl(3), part of which is reproduced here: N...

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155, "/var/app/current/tmp/"