You know a linux command will perform a desired function for you, but you cannot remember the full name of the command. you do remember it will flush a variable from your system. which command typed at a command prompt displays a list of commands that would likely contain the command you desire? a. man –k flush b. man –k find all c. man flush d. man –key flush

Write a program that inserts the digits of an integer into an array in originalorderfollowed by reverse order. first, promptthe user to enter a positive integer(> 0). determine the number of digits of the integer. create a dynamically allocated integer arrayof a size twice the number of digits.now insert the digits in original order which will occupy half of the array. then, insert the digits in reverse order.finally, output thedigits in thearray.use at least two functions to organize your program.