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Write a C program for Linux called pipes.c that does the following: In the main() function, it creates a pipe using the pipe() function, then creates two child processes with fork().
Child 1 redirects stdout to the write end of the pipe and then executes with execlp() the "ps-aux" command.
Child 2 redirects its input from stdin to the read end of the pipe, then it executes the "sort -r -n -k 5" command.
After creating both children, the parent process waits for them to terminate before it can exit.
Note that you may have to create Child 2 first, followed by Child 1. The parent program does the same thing as a shell that runs the command "ps-aux | sort-r-n-k 5". You must use the fork(), pipe(), dup2(), close(), execlp() functions (or other exec() variation).
What is the difference between a synchronous input (D, J, or K) and an asynchronous input (PR or CLR)?
Develop the detailed block diagrams for each of the stages in the floating-point add pipeline of Figure. Assume the IEEE standard representation.
Describe a technological change you are familiar with that has changed a law.
Is this table in first normal form? Why or Why Not? Why it is not in 2NF? How you can change the above table into 2NF.
Voluntary Response Sample Some magazines and newspapers conduct polls in which the sample results are a voluntary response sample.
In the PHP scripts you create, refer to the DSN datasource as flamingo. though its not in your own folder or directory, it has been set up as a SYSTEM DSN, so your PHP script would have access to it.
What two basic functions does IP implement, What four key mechanisms does IP use to provide its service
In this project, you have the opportunity to develop a UML class diagram diagram for a classic car museum database system.
Write down a Java application to calculate how much federal and state tax you require to pay. The program should accomplish the following task: ask your name, yearly income, federal tax rate, and state tax rate, and compute the tax you need to pay.
Prompt the user to enter a string of their choosing. Output the string. Extend the program further by implementing the output_without.
write and test a program that generates 1000 random numbers between 1 and 6 and stores them in a data file.Write down a second program the takes the data produced by the first program and analyses it to produce a table showing the number of times ..
Provided an array of ints named x and an int variable named total that has already been declared, write down some code which places the sum of all the elements of the array x into total.
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