Plan 9 from Bell Labs’s /usr/web/sources/contrib/fgb/root/sys/src/cmd/4th/documentation
--rw-r--r-- fgb sys 728284 Sep 30 2009 4tHmanual.txt --rw-r--r-- fgb sys 4949 Sep 30 2009 4th.1 --rw-r--r-- bootes sys 3525 Sep 30 2009 euro.txt --rw-r--r-- bootes sys 42785 Sep 30 2009 license.txt