[icodestuff]

This is at the application level. The point is that there's no way to do this as one search without building an index a la Spotlight. You can't write a program called "nameandcontents" that does the above without doing exactly what find and grep do - there is always the data equivalent of NUMA... call it Non-Uniform Data Access. The author wants, at an architectural level, but not application level, UDA.