How to check whether the system is 32-bit or 64-bit in Linux

王林

Release： 2020-03-11 16:54:28

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How to check whether the system is 32-bit or 64-bit in Linux

Method 1: getconf LONG_BIT View

[root@DB-Server ~]# getconf LONG_BIT

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How to check whether the system is 32-bit or 64-bit in Linux

(Recommended tutorial: linux tutorial)

Method 2: uname command to view

As shown in the following example, x86_64 represents a 64-bit system, i686 i386 represents a 32-bit system. i686 is just a subset of i386. The supported CPUs start from Pentium 2 (686). Previous models are not supported.

[root@DB-Server ~]# uname -a
Linux DB-Server 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:43 EDT 2010 i686 i686 i386 GNU/Linux
[root@DB-Server ~]# uname -m

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How to check whether the system is 32-bit or 64-bit in Linux

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