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How to check whether the centos system version is 64-bit or 32-bit

王林
Release： 2020-05-17 09:30:32
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How to check whether the centos system version is 64-bit or 32-bit

查看linux机器是32位还是64位的方法：

file /sbin/init
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或者

file /bin/ls
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输出结果：

/sbin/init: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped
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如果显示 64-bit 则为64位；

file /sbin/init
/sbin/init: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.2.5, dynamically linked (uses shared libs), stripped
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如果显示为32 bit 则为32bit；

uname -a:
uname -a
Linux pmx002**.**.**  2.6.32-71.el6.x86_64 #1 SMP Wed Sep 1 01:33:01 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux
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x86_64表示64位机器

uname -a
Linux pmx0**.**.**    2.6.9-5.ELsmp #1 SMP Wed Jan 5 19:30:39 EST 2005 i686 i686 i386 GNU/Linux
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i686表示32位机器

i686 只是i386的一个子集,支持的cpu从Pentium 2 (686)开始,之前的型号不支持.

推荐教程：centos教程

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