Yup, or even easier, a simple fork bomb. http://www.cyberciti.biz/faq/understanding-bash-fork-bomb/#comment-37097 http://www.cyberciti.biz/faq/understanding-bas

Yup, or even easier, a simple fork bomb. http://www.cyberciti.biz/faq/understanding-bash-fork-bomb/#comment-37097 http://www.cyberciti.biz/faq/understanding-bash-fork-bomb/#c... has examples in 5 languages, all shorter than this. :(){ :|:& };: in bash is the shortest example. On the other hand, and machine with properly configured limits will mitigate either one.