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Question 1 Write a program in C which continuously takes integer inputs from the user with Enter a number: 7 scanf function. By using signal() system call data.txt Sample Run $ ./question2 Now write a C program which creates two [PARENT] Child process ID: 3587 child processes. The first child process (CHILD1] Number of letters: 58392 [PARENT] Child process ID: 3588 must count the letters, while the other child CHILD2] Number of numbers: 41608

Question 1 Write a program in C which continuously takes integer inputs from the user with Enter a number: 7 scanf function. By using signal() system call data.txt Sample Run $ ./question2 Now write a C program which creates two [PARENT] Child process ID: 3587 child processes. The first child process (CHILD1] Number of letters: 58392 [PARENT] Child process ID: 3588 must count the letters, while the other child CHILD2] Number of numbers: 41608

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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CENG328 Operating Systems - Spring 2017 Labwork 2 Feb 27 - Mar 01, 2017 Question 1 Write a program in C which continuously $ ./question1 takes integer inputs from the user with Enter a number: 7 scanf function. By using signal() system call <CTRL-C for SIGINT, alter the behaviour of Ctrl-C Inputs: 2, Average: 5 such that whenever the combination is Enter a number: 12 pressed, the program responds with the Enter a number: 14 number of inputs and their average value Inputs: 5, Average: 8 on screen. Use -1 to exit. Sample Run Enter a number: 3 Enter a number: 4 <CTRL- process must count the numbers. Both Execute the following command to create a child processes must print their results on "data.txt" file which contains 100.000 screen. In the meanwhile, parent process must display child process ID's on screen Question 2 random letters and numbers: and wait for both processes to end. cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 100000 | head -n 1 > data.txt Sample Run $ ./ question2 Now write a C program which creates two [PARENT] Child process ID: 3587 child processes. The first child process [CHILD1] Number of letters: 58392 [PARENT] Child process ID: 3588 must count the letters, while the other child CHILD2] Number of numbers: 41608
Transcribed Image Text:CENG328 Operating Systems - Spring 2017 Labwork 2 Feb 27 - Mar 01, 2017 Question 1 Write a program in C which continuously $ ./question1 takes integer inputs from the user with Enter a number: 7 scanf function. By using signal() system call <CTRL-C for SIGINT, alter the behaviour of Ctrl-C Inputs: 2, Average: 5 such that whenever the combination is Enter a number: 12 pressed, the program responds with the Enter a number: 14 number of inputs and their average value Inputs: 5, Average: 8 on screen. Use -1 to exit. Sample Run Enter a number: 3 Enter a number: 4 <CTRL- process must count the numbers. Both Execute the following command to create a child processes must print their results on "data.txt" file which contains 100.000 screen. In the meanwhile, parent process must display child process ID's on screen Question 2 random letters and numbers: and wait for both processes to end. cat /dev/urandom | tr -dc 'a-z0-9' | fold -w 100000 | head -n 1 > data.txt Sample Run $ ./ question2 Now write a C program which creates two [PARENT] Child process ID: 3587 child processes. The first child process [CHILD1] Number of letters: 58392 [PARENT] Child process ID: 3588 must count the letters, while the other child CHILD2] Number of numbers: 41608
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