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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.
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
To explore the UNIX file system, use basic UNIX commands and use a text editor. Task: 1. Logon to Linux. 2. Create a directory "Unix" under your home d
Inverted page table In page table the page table has one entry for every page that the process is using. The operating system must translate this reference into a physical memo
File System Interface and Implementation The Nachos file system, as distributed, uses a single-level index allocation method for data allocation of files. In the current design,
Q. Could you replicate a multilevel directory structure with a single-level directory structure in which arbitrarily long names can be used? If your answer is yes describe how you
What are a safe state and an unsafe state? Answer: A state is safe if the system can allocate resources to every process in some order and still avoid a deadlock. A system is
#question After working for 30 years, Ramjee Somjee Dutt opted for VRS and started a courier company and did very well in the first four years. He was now looking for expansion of
properies of Batch oriented and interactive operating system.
LINUX VS WINDOWS I/O MANAGEMENT
A- In a table format, compare between Programmed I/O, Interrupt -driven I/O, and Direct Memory Access (DMA) in terms of basic idea, Advantages, disadvantages, and the operating en
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