ftp://ftp.win.tue.nl/pub/mirror/unix-archive/UnixArchive/PDP-11/Trees/2.11BSD/usr/  direct

[DIR]ucb/  direct  560+ twin directories
[DIR]tmp/  direct  47570+ twin directories
[DIR]src/  direct  65535+ twin directories
[DIR]spool/  direct  7986+ twin directories
[DIR]share/  direct  65535+ twin directories
[DIR]sbin/  direct  65535+ twin directories
[DIR]pub/  direct  7473+ twin directories
[DIR]preserve/  direct  187 twin directories
[DIR]old/  direct  49548+ twin directories
[DIR]new/  direct  4250+ twin directories
[DIR]msgs/  direct  3084+ twin directories
[DIR]man/  direct  65535+ twin directories
[DIR]lost+found/  direct  1932+ twin directories
[DIR]local/  direct  11469+ twin directories
[DIR]libexec/  direct  29013+ twin directories
[DIR]libdata/  direct  16480+ twin directories
[DIR]lib/  direct  65535+ twin directories
[DIR]ingres/  direct  154 twin directories
[DIR]include/  direct  65535+ twin directories
[DIR]hosts/  direct  1409+ twin directories
[DIR]guest/  direct  98 twin directories
[DIR]games/  direct  65314+ twin directories
[DIR]doc/  direct  65535+ twin directories
[DIR]dict/  direct  10270+ twin directories
[DIR]crash/  direct  1907+ twin directories
[DIR]bin/  direct  65535+ twin directories
[DIR]adm/  direct  2701+ twin directories