Use your own words in writing your responses to the questions.

1. Consider each of the following operating system functions. Categorize each as either mechanism or policy and explain why. Cite any references you use for this question.

a. install a new chunk of memory into a process address space

b. deciding which process executes on the CPU next

c. deciding which chunk of memory to to give to a process d. loading a new process into the CPU

2. Research the lsmod, modprobe, insmod, rmmod, and modinfo commands of the Linux operating system and answer the questions below.

a. What do these commands have in common?

b. Briefly explain what each of the commands above allows a Linux administrator to do. 3. Research the /proc folder of the Linux operating system and explain (briefly!) what sort of information it holds and how it provides this information.

4. Research files descriptors and file pointers in the UNIX/Linux operating systems and answer the questions below.

a. Briefly explain the difference between file descriptors and file pointers.

b. How does this relate to UNIX/Linux functions fdopen and fileno?

5. Research Power-Shell in the Windows operating system and explain its purpose. How does it compare to UNIX/Linux shell programs?