salida en la terminal en mi maquina ubuntu 14.04 x64

ejecucion.asm

(gdb) disassemble 
Dump of assembler code for function _start:
   0x00000000004000b0 <+0>:	mov    eax,0x4
   0x00000000004000b5 <+5>:	mov    ebx,0x1
   0x00000000004000ba <+10>:	mov    ecx,0x6000d4
   0x00000000004000bf <+15>:	mov    edx,0x26
   0x00000000004000c4 <+20>:	int    0x80
   0x00000000004000c6 <+22>:	mov    eax,0x1
=> 0x00000000004000cb <+27>:	mov    ebx,0x6
   0x00000000004000d0 <+32>:	int    0x80
End of assembler dump.
(gdb) stepi
0x00000000004000d0 in _start ()
(gdb) info registers 
rax            0x1	1
rbx            0x6	6
rcx            0x6000d4	6291668
rdx            0x26	38
rsi            0x0	0
rdi            0x0	0
rbp            0x0	0x0
rsp            0x7fffffffdfc0	0x7fffffffdfc0
r8             0x0	0
r9             0x0	0
r10            0x0	0
r11            0x0	0
r12            0x0	0
r13            0x0	0
r14            0x0	0
r15            0x0	0
rip            0x4000d0	0x4000d0 <_start+32>
eflags         0x202	[ IF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
---Type <return> to continue, or q <return> to quit---q
Quit
(gdb) disassemble 
Dump of assembler code for function _start:
   0x00000000004000b0 <+0>:	mov    eax,0x4
   0x00000000004000b5 <+5>:	mov    ebx,0x1
   0x00000000004000ba <+10>:	mov    ecx,0x6000d4
   0x00000000004000bf <+15>:	mov    edx,0x26
   0x00000000004000c4 <+20>:	int    0x80
   0x00000000004000c6 <+22>:	mov    eax,0x1
   0x00000000004000cb <+27>:	mov    ebx,0x6
=> 0x00000000004000d0 <+32>:	int    0x80
End of assembler dump.
(gdb) stepi
[Inferior 1 (process 20216) exited with code 06]