main()

{

fork();

 

printf(“Hello World!”);

}

Output for the above unix program is

The program that is responsible for loading the operating system into RAM is the bootstrap Loader program.

Windows operating system uses the NTFS file system.

Cookies are small pieces of information that are stored in a browser. It keeps track of user preference, like what sites are visited, what keywords are used, among others.

Paging is a memory management technique in which process address space is broken into blocks of the same size called pages.

 Stack Pointer
 Index Registers
 Accumulators
 General Purpose Registers

The perfect paging size varies from system to system, so there is no single best when it reaches to page size. There are several factors to consider in order to come up with a fitting page size, such as paging time, page table, and its effect on the total performance of the operating system.

Commonly, the different attributes for a file structure are naming,size, identifier, a level of protection, supported file types and location for the files.