技术小黑屋

How to Determine Whether a System Is 64-bit or 32-bit

A trick in Bash

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#!/bin/bash
system_bits=`uname -m`
if [[ "$system_bits" == x86_64  ]]
then
    echo "It's a 64-bit system"
else
    echo "It's a 32-bit system"
fi

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