format ELF executable
entry start

section readable writeable

msg db 'Hello world!',0xA
msg_size = $-msg

section readable executable

start:

        mov     eax,4
        mov     ebx,1
        mov     ecx,msg
        mov     edx,msg_size
        int     0x80
        mov     eax,1
        xor     ebx,ebx
        int     0x80