Q$1.$ Write a program to create two Threads T$1$ and T$2.$ Thread T$1$

creates a file named Thread.txt while T$2$ writes $$Hello its T$2$ into the

Thread.txt

Q$2.$ Write a program to create a thread T$1.$ The main process passes two

numbers to T$1.$ T$1$ calculates the sum of these numbers and returns the

sum to the parent process for printing.

$11$

Write C program.