# links and ideas

* [history of command line arguments](https://blog.liw.fi/posts/2022/05/07/unix-cli/)
* [systemd-sysext](https://0pointer.net/blog/testing-my-system-code-in-usr-without-modifying-usr.html)
* do a mini class on barshrc customisation, prompts, zsh and ohmyzsh
* class on dpkg, apt, and .deb introspection
* class on compiling a simple program, maybe recompiling a kernel
* exercise on how to take a physical system and convert it to a VM
* munin plugin design exercise
