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administer@administer-laptop:~/tem/tt$ cat hello.asm
[section .data]
strHello db "Hello, world!",0Ah
STRLEN  equ $-strHello
[section .text]
global _start
_start: 
mov edx,STRLEN
mov ecx,strHello
mov ebx,1
mov eax,4
int  0x80
mov ebx,0
mov eax,1
int 0x80
administer@administer-laptop:~/tem/tt$ nasm -f elf hello.asm -o hello.o
administer@administer-laptop:~/tem/tt$ ls
a  b  boot.asm  boot.bin  Coded  f  g  hello  hello.asm  hello.c  hello.o
administer@administer-laptop:~/tem/tt$ ld -s hello.o -o hello
ld: i386 architecture of input file `hello.o' is incompatible with i386:x86-64 outputadminister@administer-laptop:~/tem/tt$
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