How to make a binary Startup-file

Question

Please
I need help to create binary Start-up fil, that starts the java program. It's an desktop program for win system and athre Unix/Linux system.
Regards Micke

Answer 1

I was thinking if there is possible to executed thru the cmd in windows.
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
void exploit() {
     printf("Test");
  char *cmdline = "java HelloWorld";
execl(cmdline, "HelloWorld");
int main() {
  exploit();
}