Calculating the area of a rectangleWrite a Linux Bash shell script to prompt a user for two numbers, representing width and height of a rectangle and to then calculate and display the value of the area of the rectangle.The user should be prompted to input the data both in square centimetres and in square inches ( 1 inch = 2.54 cm).The user should be prompted to display the area either in square metres and in square inchesThe user should have the opportunity to either quit the program or input different data.

C programming:  Fill Out the TODO'S IN THE PROGRAM :   #include <stdlib.h> // EXIT_ codes#include <stdbool.h> // bool#include <stdio.h> // printf, scanf#include <string.h> // strlen, strcmp#include "udp.h" // udp library#define CLIENT_LISTENER_PORT 4097#define SERVER_LISTENER_PORT 4098#define MAX_CHARS_PER_MESSAGE 80//-----------------------------------------------------------------------------// Main//-----------------------------------------------------------------------------int main(int argc, char* argv[]){char *remoteIp;char *mode;int remotePort;char str[MAX_CHARS_PER_MESSAGE+1];bool quit = false;bool sendMode;// Verify arguments are goodbool goodArguments = (argc == 3);if (goodArguments){remoteIp = argv[1];mode = argv[2];goodArguments = (strcmp(mode, "server") == 0) || (strcmp(mode, "client") ==0);}if (!goodArguments){printf("usage: chat IPV4_ADDRESS MODE\n");printf(" where:\n");printf(" IPV4_ADDRESS is address of the remote machine\n");printf(" MODE is…