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Several schemes available are as follows:
Pipes: One-way communication process through which different process can interact. The problem is that the two processes could have a unique ancestor. However this problem was fixed with the help of named-pipes (FIFO).
Message Queues : Message queues may be used between unrelated and related processes executing on a machine.
Shared Memory: This is the fastest of all IPC process. The memory to be shared is examined into the address space of the processes. The speed gain is attributed to the fact that there is no kernel use. But this scheme requires synchronization.
How a virtual memory can be implemented? What are the benefits of using virtual memory?
what is the use of valid invalid bits in paging
Write a program (with the programming language and on the platform of your choice) to demonstrate the memory leak problem (see http://en.wikipedia.org/wiki/Memory_leak for detail
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
Gopher Gallery consists of a shopping mall and a cart ride that covers the 150 acre habitat. There are m visitors and n single-person vehicles. Visitors stroll around the mall at t
Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
Recall that condition variables are synchronization primitives that enable threads to wait until a particular condition occurs. Generalizing, the combination of locks and condit
list the prevention of mechanism for race condition with operating system
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