COMP 3000 Midterm review 2010

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Lab 1 Questions

  1. What are the key advantages of installing VM-specific device drivers in a guest OS?
  2. Typically, what does a guest OS's hard disk look like to the host OS?
  3. If a virtual machine is allocated 512 MB of RAM, how much physical RAM (as seen by the host OS) will be consumed?

Lab 2 Questions

  1. The execve system call gets three arguments: a full pathname to an executable, arguments, and environment variables. What are each of these for when "ls -a" is run?
  2. Why doesn't ldd report all the libraries that are listed in /proc/<PID>/maps?
  3. When a process becomes undead (a zombie), who can send it to its grave permanently? What must it do?
  4. UNIX files each have permissions for three classes of users. What are those classes? Extra credit: Does Windows have similar classes?


Lab 3 Questions

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