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Solve question and the project in C language.
Question - Implement a simple Linux shell in C capable of executing a sequences of programs that communicate through a pipe. For example, if the user types ls | wc, your program should fork off the two programs, which together will calculate the number of files in the directory. For this, you will need to use several of the Linux system calls described in this chapter: fork, exec, open, close, pipe, dup2 and wait. Note you will to replace stdin and stdout in the child process with the pipe file descriptors; that is the role of dup2.
Project - Questions:
1. Rewrite the previous programs for multiple pipes such as one master with multiple clients; - select (_, _);
2. Can you rewrite the multiple-pipe program using shared memory functions: - shmat(), shmget(), shmcntl() . . .
Waterfall, V-shape, and Rapid Application Development (RAD) are among well-established software process models that have been used to develop software
For each employee you are to compute the number of overtime hours worked by that employee, the salary, and the overtime pay. An employee earns straight time for the first forty hours of work, time-and-a-half for up to the first 10 hours in excess ..
Design a modularized Body Mass Index (BMI) Program which will calculate the BMI of a team player. The formula to calculate the BMI is as follows: BMI = Weight * 703/Height2
Write a program to print out 30 Real Random Numbers with specific limitation (e.g. the real random numbers should be the real number between min=11.1 to max=222.2).
multidimensional arrays to life, let's consider a specific example: How can you visualize a 4-dimensional array? How can you give meaning to each dimension this array has? What kind of application would such an array be useful for?
Write a function that accepts a score for a driver's license facility, an int or a float, and returns a letter. If the score passed in is less than 75, then the letter returned is an F for Fail. Otherwise, the letter returned is a P for Pass.
Write an LC-3 machine language program starting at location x3000 which divides the number in memory location x4000 by the number in memory location x4001 and stores the quotient at x5000 and the remainder at x5001.
Bare in mind this is a program with the audience being lawncare and landscaping people. So the events will generally be to know how often a client wants their lawn mowed.
Explain how to implement two stacks in one array A[1..n] in such a way that neither stack overflows unless the total number of elements in both stacks together is n. The PUSH and POP operations should run in O(1) time. You may provide your approac..
Take four unsigned char bytes and combine them into a single integer type. You will needed shifts and one of the logical bit operators.
Calculate and store the average for each row and column. Determine and store the values for the Average Map.
The function should make sure that left is less than or equal to right, and that distance is greater than zero. If either of these conditions fails, the function should return the value 1 to indicate an error.
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