Basically done?

tiny.asm

@@ -0,0 +1,17 @@
+section .text
+    global _start       ; Start Symbol
+
+_start:
+    mov rax, 1          ; sys_write
+    mov rdi, 1          ; to file descriptor 1 (stdout)
+    mov rsi, message    ; pointer to message downstairs
+    mov rdx, 16         ; message length
+    syscall
+
+    ; Exit syscall: _exit(0)
+    mov rax, 60         ; syscall number for sys_exit
+    xor rdi, rdi        ; exit code 0
+    syscall
+
+section .data
+    message: db "Hello Interfug", 16