.text                                 # section declaration (code)	        
.global _start                        # standard entry point for ELF linker
			                          
_start:
          /* write our string to stdout */
	  movl    $len,%edx           # third argument: message length
	  movl    $msg,%ecx           # second argument: pointer to message to write
	  movl    $1,%ebx             # first argument: file handle (stdout)
	  movl    $4,%eax             # system call number (sys_write)
	  int     $0x80               # call kernel

          /* and exit */          
	  movl    $0,%ebx             # first argument: exit code
	  movl    $1,%eax             # system call number (sys_exit)
	  int     $0x80               # call kernel

.data                                 # section declaration (data)

msg:
	.ascii    "Hello world!\n"    # our famous string
	len = . - msg                 # string length