Both cbr and cbz are just compressed archives - R for Rar and Z for Zip. The format has got nothing to do with how the images are displayed in a reader application.

If you want any reader to read a comic frame by frame instead of page by page, you’d have to uncompress the file, then cut out each individual frame and give them sensible names (eg. page_39_frame_03.png or somesuch) and then recompress.

Someone else in the thread mention software that can do this, but it might not always work as expected, when the layout is not straight-forward.

mc mirror is a pretty straightforward method of migration. Should work if the other end is S3-compatible.

Turbo Linux in the late 90s. It didn’t go well.

Later I gave Redhat a shot - 5.0 or 5.1, I forget. Stayed with RH and now Fedora.

That’s OK.