Menu driven program for system control using C++

// Menu driven program in CPP to
// system control using system()
// function and command with option
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <windows.h>

void printMenu();

// Function to shutdown the computer
void shutDown()
{
    // Tp clears the screen
    system("cls");
    printf("\nshuttingg down..\n");

    // System function call to
    // shutdown system
    system("C:\\WINDOWS\\System32\\shutdown /s");

    // To clears the screen
    system("cls");
}

// Function to restart the computer
void reStart()
{

    // Clears the screen
    system("cls");
    printf("\nRestart in 30 seconds ...");

    // System function call to
    // restart system
    system("C:\\WINDOWS\\system32\\shutdown /r");
}

// Function to log off user
void logOff()
{

    // To clears the screen
    system("cls");
    printf("\n Shutting down under 30 seconds... ");

    // System function call to log off user
    system("C:\\WINDOWS\\system32\\shutdown /l");
}

// Function to open manualShutdown
// shutdown dialog box
void manualShutdown()
{
    // To clears the screen
    system("cls");

    // System function call to manual shutdown
    system("C:\\WINDOWS\\System32\\shutdown /i");
}

void abortShutdown()
{
    // To clears the screen
    system("cls");

    // System function call to aboart shutdown
    system("C:\\WINDOWS\\System32\\shutdown /a");
}

// Function to take user choices and perform
// the appropriate operation
void selectMenu()
{
    int choice;
    printf("\n Enter your choice : ");
    scanf("%d", &choice);

    switch (choice) {
    case 1:
        shutDown();
        break;

    case 2:
        reStart();
        break;

    case 3:
        logOff();
        break;

    case 4:
        manualShutdown();
        break;

    case 5:
        abortShutdown();
        break;

    case 6:

        printf("\n Exiting... \n\n");
        printf("Exiting in 3 seconds...\n");
        Sleep(3000);
        exit(1);

    default:
        printf("\ninvalid choice Try again \n");
        printMenu();
    }
}

// Function to print all the menus
void printMenu()
{
    // Set output color to blue
    // background and white foreground
    system("color 1F");
    printf("\n");

    // Create Menu
    printf("\xB2 \xB2\xB2\xB2\xB2\xB2\xB2\xB2"
           "\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
           "\xB2\xB2\xB2\xB2\xB2 SYSTEM CONTROL \xB2"
           "\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
           "\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2\xB2"
           "\xB2\xB2 \xB2");
    printf("\n ______________________________"
           "_________________________________");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n|\t\t\t 1. Shutdown Computer \t\t\t|");
    printf("\n|\t\t\t 2. Restart Computer \t\t\t|");
    printf("\n|\t\t\t 3. Log off \t\t\t\t|");
    printf("\n|\t\t\t 4. Manual Shutdown Settings\t\t|");
    printf("\n|\t\t\t 5. Abort Shutdown \t\t\t|");
    printf("\n|\t\t\t 6. Exit \t\t\t\t|");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n|\t\t\t\t\t\t\t\t|");
    printf("\n\xB2_________________________________"
           "______________________________\xB2\n");

    // Function call for select options
    selectMenu();
}

// Driver Code
int main()
{
    // Function Call
    printMenu();
    return 0;
}