Interdata_v6/usr/rm/extract

Find at most related files.
including files from this version of Unix. 
mkdir doc
mkdir doc/cdoc
mkdir doc/cman
mkdir doc/ctut
mkdir doc/man
mkdir doc/man/man1
mkdir doc/man/man2
mkdir doc/man/man4
mkdir doc/man/man5
mkdir doc/man/man8
mkdir source
mkdir source/as
mkdir source/boot
mkdir source/c
mkdir source/chicago
mkdir source/cmds
mkdir source/cref
mkdir source/cref/index
mkdir source/cref/src
mkdir source/cref/tab
mkdir source/etc
mkdir source/fort
mkdir source/liba
mkdir source/libc
mkdir source/lpd
mkdir source/lpd_melb
mkdir source/ratfor
mkdir source/ratfor/lib
mkdir source/ratfor/ratinc
mkdir source/sno
mkdir source/stdio
mkdir source/stdio/pdp11
mkdir source/stdio/src
mkdir source/troff
mkdir source/troff/cmds
mkdir source/troff/doc
mkdir source/troff/eqn
mkdir source/troff/fonts
mkdir source/troff/macros
mkdir source/troff/neqn
mkdir source/troff/programs
mkdir source/troff/tbl
mkdir source/troff/terms
mkdir source/troff/tests
mkdir source/wgong
mkdir source/yacc

tp mx

find doc -type d -a -exec chmod 775 {} ";"
find source -type d -a -exec chmod 775 {} ";"