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Program to run DOS commands through a C program

In C programming language, to run DOS commands – system() function is used. The system() function is defined <process.h> header file.

Syntax

int system(const char* command);

Program

// Program to run dos commands through a C program

#include <stdio.h>
#include <process.h>

int main()
{
    int choice = 0;

    printf("\n***************************************\n");
    printf("1. Open Notepad...\n");
    printf("2. Get Ip Address...\n");
    printf("3. Shut down the computer...\n");

    printf("** Enter your choice :");
    scanf("%d", &choice);

    switch (choice) {
    case 1:
        system("notepad");
        break;
    case 2:
        system("ipconfig");
        system("pause");
        break;
    case 3:
        system("SHUTDOWN -S");
        system("pause");
        break;
    default:
        printf("\n Invalid choice !!!");
    }

    return 0;
}

Output

***************************************
1. Open Notepad...
2. Get Ip Address...
3. Shut down the computer...
** Enter your choice :2

Windows IP Configuration


Ethernet adapter Local Area Connection 3:

   Connection-specific DNS Suffix  . :
   Link-local IPv6 Address . . . . . : fe80::38d0:910:14e:498b%17
   IPv4 Address. . . . . . . . . . . : 192.168.1.111
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . : 192.168.1.1

Wireless LAN adapter Wireless Network Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :

Ethernet adapter Bluetooth Network Connection:
continue..   
    

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