0
Alpha AXP machine language on OSF/1, 40 bytes
0x00: d2200004 bsr a1, 0x14(zero) # Set a1 to pointer of string
0x04: 6c6c6548 "Hello, World!\0\0\0"
0x08: 57202c6f
0x0c: 646c726f
0x10: 00000021
0x14: 43e09400 addq zero, 0x4, v0 # Select write() syscall
0x18: 43e03410 ...