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FIFO is named as 'named pipes'. FIFO (first-in-first-out) is a special file which is laid to be data transient. Once data is load from named pipe, it cannot be load again. Also, data can be load only in the order written. It is used in interprocess interaction where a program writes to one end of the producer and the other loads from the consumer.
Make special files like device files and named pipes
The system call mknod makes special files in the giving sequence.
1. kernel give new inode,
2. sets the file type to locate that the file is a directory, pipe or special file,
3. If it is a machine file, it creates the other entries like minor, major device numbers.
Lexical substitution during macro expansion Lexical substitution is employed to produce an assembly statement from a model statement. A model statement contains 3 types of stri
Define the difference between preemptive and nonpreemptive scheduling. State why strict nonpreemptive scheduling is unlikely to be used in a computer center. Preemptive schedul
Question: (a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes? What are
Explain the Network protocols There are a wide variety of network protocols to choose from traditionally client - server developers were required to choose a communications pro
Explain bounded buffer and unbounded buffer. Here in a producer-consumer problem the producer process produces information that is consumed by a consumer process. At this time
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categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
Q. What are two differences among user-level threads and kernel-level threads? Under what situations is one type better than the other? Answer: (1) User-level threads are un
Q. Which of the subsequent instructions should be privileged? a) Read the clock b) Clear memory c) Set value of timer d) Issue a trap instruction e) Turn off interr
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
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