UNIX

Question 31

In Unix operating system, when a process creates a new process using the fork () system call, which of the following state is shared between the parent process and child process?

• Heap
• Stack
• Shared memory segments
• Both Heap and Stack

Question 32

In Unix operating system, special files are used to:

• buffer data received in its input from where a process reads
• provide a mechanism to map physical device to file names
• store list of file names plus pointers associated with i-nodes
• store information entered by a user application program or utility program