Q$2$ : Write Unix commands that create one folder $($ called Mfyfolder $)$ inside Document folder $,$ then create two files $($ called F$1$ and F$2$ respectively $),$ then rename first file to GI $?$ Q$3$ : Write C program that creates a child process using fork system call $,$ the child process prints the odd numbers below $11,$ the parent process prints the even number below $117$ Q$4$ Write C multithreaded program that creates three threads $,$ the first thread prints your first $,$ the second prints your last name $,$ the third prints sum of integer number bellow $1007$