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Q. What system calls have to be implementing by a command interpreter or shell in order to start a new process?
Answer: In the UNIX systems a fork system call followed by an exec system call need to be performed to start a new process. The fork call clones the presently executing process while the exec call overlays a new process based on a different executable over the calling process.
List three ways of allocating storage, and give advantages of each. a. Contiguous allocation. Fastest, if no changes are to be made. Also simplest for random access files. b
Problem: (a) Based on your experience in setting up Windows 2003 Server operating system, briefly describe the twelve different steps in which the installation is conducted du
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explain how response time are reduced by allowing time sharing on top of multiprogramming
list the prevention of mechanism for race condition with operating system
Overlay structured program: A program consisting of overlays is referred as overlay structured program in which an overlay is a part of program which has similar load origin as
Explain about paging? Answer: Paging is a memory-management scheme that permits the physical-address space of process to be noncontiguous. Paging avoids the considerable proble
Essential Properties of Operating System 1. Batch: Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequen
What is internal fragmentation? Consider holes of 20k assume the process requests 18 bites. If we allocate accurately the request block, we are left with a hole of 2k. The over
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