Segmentation Fault when compiling in Red hat but working fine with ubuntu

Here is a code that i am executing. its giving the desired output on ubuntu with NASM 2.08 but gives a segmentation fault when compiled with Red Hat 7.3 running NASM 0.98.22 Can someone help me by telling how i can make sure it runs fine on red hat too.

section .data

section .text
    global _start
_start:

xor eax,eax
cdq
push eax
push long 0x68732f2f
开发者_如何学JAVApush long 0x6e69622f
mov ebx,esp
push eax
push eax
mov ecx,esp
mov al,0xb
push eax
int 0x80

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Your code is 32 bit so when you build it you need to make sure that you build a 32 bit executable. This will happen by default on your 32 bit OS but you probably need a switch like -m32 to achieve this on a 64 bit OS.