Re: Identifying CPU and current OS

[Jeffrey Walton <noloader@gmail.com>]

On Sun, Sep 28, 2025 at 10:05 AM Richard Owlett <rowlett@access.net> wrote:
>
> I may resurrect an former desktop machine as a trouble shooting aid.
> I need to know the data bus width.
>
> I know the Debian version number is stored in /etc/debian_version .

This is not reliable because a user can edit the file. See bug
#238687, <https://bugs-devel.debian.org/cgi-bin/bugreport.cgi?bug=238687>.

> How do I find if the installed OS is 32 or 64 bit?

Use dpkg. See <https://wiki.debian.org/ArchitectureVariants>.

    $ dpkg --print-architecture
    amd64

> How do I discover the CPU's bus width?

Which bus?  Address?  Data?  Some other bus?

Jeff