Short: check mate.

The REAL RCS is 41 years old.

ci -l

Weird, can’t find the quoted text on github …

If it’s too hard for you to upvote, don’t upvote 🙃

Oh, by the way, you can open tar.gz on Android. No problem.

Gimp will save all layer information plus undo plus other stuff in its own format. Export does what you want. I don’t know Adobe products, but I could imagine Photoshop doesn’t save to jpeg as default.

Why are you using Linux and Android in the first place?

ZZ