A short program designed to demonstrate how to remove program arguments from process listing.

incognito.c

// Compile: gcc -o incognito incognito.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
  // Removes all program arguments from process listing
  if (argc > 1) {
    char *arg_end;

    arg_end = argv[argc-1] + strlen(argv[argc-1]);
    *arg_end = ' ';
  }

  sleep(30000);

  return 0;
}