*** SYSTEM LINUX CALLS WITH C ****

Please Do Not Use Regular C Language

Use read(), write(), Open()... SYSTEM CALLS!

DO NOT Use printf, scanf, fopen etc....

Echo user input in upper case (lastnameECHO.c): Write a C program that reads input from keyboard one character at a time and writes it to the screen, in uppercase, when the user presses enter. Your program will terminate when the user enters CTRL-C. Test and report the behavior of your tool in the following 3 cases: $lastname ECHO > tempo $lastname ECHO temp1 Write your own function to capitalize the characters: char myToUpper (char someChar)