Hello world x64 assembly [0]

comp.sh

nasm -f elf64 hello.asm -o hello.o
ld -o hello hello.o -m elf_x86_64

data.asm

section .data
	str: db "hello, world!", 10, 0

full.asm

section .data
	str: db "hello, world!", 10, 0
	
section .text
global _start
_start:
  MOV RAX, 1
  MOV RDI, 1
  MOV RSI, str
  MOV RDX, 15
  syscall
  
  MOV RAX, 60
  MOV RDI, 0
  syscall

print.asm

MOV RAX, 1
MOV RDI, 1
MOV RSI, str
MOV RDX, 15
syscall

syswrite.c

asmlinkage long sys_write(unsigned int fd, const char __user *buf, size_t count);