My first asm!

first.s

.section .data
.section .text
.globl _start
_start:

mov $1, %eax # this is the linux kernel command

# number (system call) for exiting
# a program

mov $6, %ebx # this is the status number we will
imull $5, %ebx
# 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