write code in c++

This the question of linux. There are two parts in the same question. please complete all and test it with the given command too. All the information is given in the question below about what the output should look like. the XXX, YYY and ZZZ should replace with number once the file is executed and for part two you should display the result with all three option given below and then in last you have to test both file via "pipe".