You can use these tools to get the information for your old Canon camera. Per platform:
I haven’t found a similar tool for Linux, but you might still be happy to find out that you can [run Linux](http://www.magiclantern.fm/forum/index.php?topic=14847.0) on newer camera versions that have an ARM onboard!
- https://cloud.berezovskiy.me/index.php/s/ArN9NhpIbezcFhX (for installers)
Updated on 15 Dec‘16.