On Sun, Sep 28, 2025 at 10:01:05AM -0400, Felix Miata wrote:
If it's an IBM compatible PC or laptop, boot into BIOS setup. Odds are, if you see EFI mentioned anywhere, the CPU is 64bit, but somewhere at least there will be some indicator of bus width.
There were definitely 32 bit x86 machines with EFI so I would not advise using that as an indicator.
On Sun, Sep 28, 2025 at 03:25:49PM -0000, Greg wrote:
dpkg --print-architecture (userland)
This is the best answer, also dpkg --print-foreign-architectures to identify whether multiarch is configured.
