How to check how many bits a linux system has

1. Execute the 'uname -a' command

The highlighted i686 (or sometimes i386) description The operating system is 32-bit, but if it displays x86_64, it means that the operating system is 64-bit.

2. Run the 'uname -m' command

The output shows x86_64, which means the system is 64-bit

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3. Use the file command

file /lib/systemd/systemd

to indicate that this is a 64-bit operating system. If it is displayed as 32-bit, it means that the operating system is 32 bit

4. Use the arch command

This command is used to output the hardware name of the machine. For a 64-bit operating system, the output should be x86_64

5. Through system setting method

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