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Stats: 17,479 members, 69,439 Topics, 15,458 Comments. Date: Jun 19 2019, 8:51 pm

Mathew Oluwaseun
University of Ilorin (Unilorin)
Mechanical Engineering
500Level, Nigeria.


To shutdown your computer using C program, You'll need to call the system() function which will call the cmd.
stdlib.h contain the system() function and it is used to run any executable file.

C Program Code -

#include
#include
#include
void main()
{
char c;
printf("Do you want to shutdown your PC/Computer (y/n) : ";
scanf("%c",&c);
if(c=='y' || c=='Y')
system("C:\Windows\System32\shutdown /s /t 0";
else
printf("You don't wanna shut down your PC/Computer";
getch();
}


Note - Save the file with .c extension.
/s represents shutdown
/t represents Time means after how much time you wanna shut down your pc. If you will not define the time, By default it will shut down your pc after 30sec.

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