assignment 2

The purpose of virtual memory is to enlarge the address space, the set of addresses a program can utilize. For example, virtual memory might contain twice as many addresses as main memory. A program using all of virtual memory, therefore, would not be able to fit in main memory all at once. Nevertheless, the computer could execute such a program by copying into

main memory those portions of the program needed at any given point during execution

UNIX

sysadmins claim that UNIX is intrinsically better designed.Stored in many text files,The kernel does not use shared libraries (Linux modules are not shared.UNIX systems for handling heavy-duty applications.

Windows

Windows NT is a portable, secure, multithreaded, multiprocessing operating system.Windows NT is a portable, secure, multithreaded, multiprocessing operating system. As a result, its virtual memory manager must:•