DOS on DOPE
github.com
github.com
What about security?
If you can't trust public visitors from the internet, who can you trust? Executing user input as commands inside the operating system is the most direct way to get things done, and that's what matters most.
Does it scale?
So far I haven't run into any performance problems. Whenever I've opened up a DoD website to several users, my hard drive tends to get wiped long before I discover performance issues.