#PURPOSE:  Simple program that exits and returns a
 #          status code back to the Linux kernel
 #

 #INPUT:    none
 #

 #OUTPUT:   returns a status code. This can be viewed
 #          by typing
 #
 #          echo #?
 #
 #          after running the program
 #

 #VARIABLES:
 #          %eax holds the system call number
 #          %ebx holds the return status
 #
 .section .data

 .section .text
 .globl _start
_start:
 mov1 $1, %eax       # this is the linux kernel command
                     # number (system call) for exiting
		     # a program

mov1 $0, %ebx        # this is the status number we will
                     # return to the operating system.
		     # Change this around and it will
		     # return different things to
		     # echo $?

int $0x80            # this wakes up the kernel to run
                     # the exit command