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csystem

C programming usin cmd prompt on windows

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

int main(){
    char command[20];

    system("dir");

    while(1){
    printf("\n\n");
    scanf("%s", &command);
    system(command);
    }

    return 0;
}

this is my code, it's a console app written in C and I wanna be able to control the cmd prompt of my computer, whenever I run new command like cd.. the path always goes back to where it was before, how do i make it like a process? sorry I'm new to it.

Solution

  • You can't.

    The cd command in typical command-line interpreters is an internal command, i.e. built into the command interpreter itself. This is because the current directory is a property of the process itself, and a child process (which is what system() creates, in most cases) can't change the current directory of its parent.