ref: ccd7f9f1597e56d121e1d05cf6af86f688ef2c48
dir: /utils/awk/NOTICE/
This is a copy of Brian Kernighan's awk from netlib, which can be used on systems that don't provide a reasonably modern version of awk. Awk is needed for kernel builds, amongst other things. See the README for the terms under which it is distributed.