Ben Caradoc-Davies <b...@transient.nz> writes: > On 26/02/17 02:04, Rodolfo Medina wrote: >> How do I check if my machine is `64 or 32 bit' > > I use "cat /proc/cpuinfo | grep 'model name'", to find the model name and > look it up on Wikipedia or Google for the manufacturer data sheet. 64-bit > support is often called "AMD64", or "x86-64" by non-AMD manufacturers. > > If the "flags" section contains "lm", your CPU has 64-bit support, but might > be IA64 (Itanium, Intel's 64-bit server architecture) rather than AMD64 > (which Intel itself now uses). I find it easier to Google for the model as > described above. > > Most consumer desktop CPUs manufactured in the last five years have amd64 > support, including, as far as I know, all Intel Core 2 Intel processors > (since 2006), even the budget models with Pentium or Celeron branding. Some > Atom CPUs support 64-bit, but not the earliest models.
I found it easy: # aptitude install lshw $ lshw -c cpu and look at `width'. Cheers, Rodolfo
