//another example of how to use exec
//to run another program
//trying another variant.

#include <unistd.h>
#include <stdio.h>


//what happens here?
int main(int argc, char **argv, char **envp)
{
    char *args[4]={"ls","-al",".",NULL};


    if (fork() == 0)
    {
        //need to include the path now...since you
        //dropped the "p"
    	int i = execv("/usr/bin/ls",args);
        if (i < 0)
        {
            perror("execv");
        }

    }
}