"Hello, World" in IA-32 (NASM, Linux)

hello.asm

		;; My first IA-32 program!
		;;
		;; It shows "Hello, World" and exits normally

		section .data

		msg		db "Hello, World!", 0xA ; Message to show
		size	EQU $ - msg				; Length of the message

		global _starting_here 	; Global entry for `ld`

		section .text
_starting_here:					; "main"

		mov	eax,	4			; Syscall number (sys_write)
		mov	ebx,	1			; File descriptor (stdout)
		mov	ecx,	msg			; Message to show
		mov	edx,	size		; Message length
		int	80h					; syscall (eax->edx: arguments)

		mov	eax,	1			; Syscall number (sys_exit)
		mov	ebx,	0			; Exit status ("return 0")
		int	80h					; syscall