Plan 9 from Bell Labs’s /usr/web/sources/contrib/quanstro/root/sys/src/cmd/disk
--rw-rw-r-- quanstro sys 1381 Jan 10 2011 mkfsconf.c --rw-rw-r-- quanstro sys 903 Jun 7 2012 mknvrsafe.c d-rwxrwxr-x quanstro sys 0 Jul 15 2018 smart