Check how many bits the linux operating system has

1. Execute the 'uname -a' command (Recommended learning: linux tutorial)

The highlighted i686 (or sometimes i386) indicates that the operating system is 32-bit, but if x86_64 is displayed, 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

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, the operating system is 32-bit

4. Use the arch command

This command is used to output the hardware name of the machine, for 64-bit operations System, the output should be x86_64

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