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What are the typical elements of a process image?
User data: Modifiable part of user space. May have program data, user stack area, and programs that might be modified.
User program: The instructions to be executed.
System Stack: Each process has one or more LIFO stacks associated with it. Used to keep parameters and calling addresses for process and system calls.
Process control Block: Info needed by the OS to control processes.
Compare user threads and kernel threads. User threads:- User threads are supported above the kernel and are executed by a thread library at the user level. Thread creation
Explain Deadlock Prevention-Resource allocation graph allocation Resource allocation graph algorithm : Using this algorithm we are able to actually know if there exists in th
Question 1 What is a file? Write down the operations on files Question 2 What do you mean virtual machine? Write down the application of virtual machine Question 3 What
For this exercise I wanted to give you some real-world examples of useful bash scripts. Therefore, you will write a couple of scripts that I actually use in my teaching to automate
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
Fault tolerance Machine failures, Communication faults, storage device crashes, and decays of storage media should be tolerated by the system to some extent. A fault tolerant s
Describe Three major roles of operating systems in business computer systems
Process States A total of nine states are acknowledged by the UNIX system. They are like as follow: User running Executing
What is the different between basic synchronization and high level synchronization
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
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