However, unlike many other languages, bash scripting doesn't use a compiler to run its code but instead relies on a command-line interpreter. The interpreter takes the commands from Bash and runs ...

As an example, here’s [calebccf] with an emulated 6502 system in a busybox ash shell script. What’s in the emulator? A simple 6502 system with RAM, ROM, and an emulated serial port on STDIO.

As with every game, the hardest part is really having a good random number generator that generates truly random values. That's actually hard to affect in a shell script though, so I'm going to ...

Some good online resources cover these topics in more depth. Check out the Shell Style Guide on GitHub to get started. Also, Apple has a document on shell script security that's also well worth a read ...