If you're interested in a real-world example, Purdue University did exactly that, at least for a large portion of the systems they ran, back from 1995 to at lea

If you're interested in a real-world example, Purdue University did exactly that, at least for a large portion of the systems they ran, back from 1995 to at least 2000. It was ok. Here's a page explaining the "entomb" system they had. http://docstore.mik.ua/orelly/unix/upt/ch23_09.htm http://docstore.mik.ua/orelly/unix/upt/ch23_09.htm