The Unix Pipe Card Game

I make those decks (https://punkx.org/) to help me teach my daughter, and so far they seem very effective, especially the unix pipes one and the 4917 machine code https://punkx.org/4917/ and the pointers deck https://punkx.org/c-pointer-game/ , from the python deck I use only 10 cards or so btw, you might also like https://punkx.org/overflow/ which is a buffer overflow riscv assembly board game, or depending on your kid's level you can also play snakes and ladders with gotos…

As a science teacher and former software dev, I find this totally cute, and I understand exactly why the creator chose to make it a physical card game. That said, I do think the translation into a physical card game means that kids aren't getting the experimentation and near-instant feedback that they'd be getting if they were doing this digitally. In order for a kid to "win," they either have to already know, or explicitly be told using words, what…

In the example.jpg image, we can see an example with sort -R "to shuffle the input (random sort)." But sort -R does not randomise input if one is using NetBSD. https://man.netbsd.org/sort.1 A POSIX-like sort has no -R option. See, .e.g, Plan9 sort or early versions of FreeBSD or OpenBSD. Early Linux did not have this non-POSIX option either. For example, look at Debian, RedHat, SuSE and other distributions in the mid-2000's. HP-UX, Minix, BusyBox, and so on have no -R…