% /bin/ls /usr/heirloom/bin
admin     cp       factor    lc  news      psrinfo   stty      unexpand
apropos   cpio     false     lex nice      ptime     STTY      unget
awk       csplit   fgrep     line nl       pwd       su        uniq
banner    cut      file      listusers  nohup      random    sum       units
basename  date     find      ln  oawk      renice    sync      uptime
bc        dc       fmt      logins od      rm        tabs      users
bdiff     dd       fmtmsg    logname    page       rmdel     tail      val
bfs       delta    fold      ls  paste     rmdir     tape      vc
cal       deroff   get      m4  pathchk    s42       tapecntl  w
calendar  df       getconf   mail pax      sact      tar       wc
cat       dfspace  getopt    make pg       sccs      tcopy     what
catman    diff     grep      man pgrep     sccsdiff  tee       whatis
cdc       diff3    groups    mesg pkill    sdiff     test      who
chgrp     dircmp   hd       mkdir posix    sed       time      whoami
chmod     dirname  head      mkfifo     posix2001  setpgrp   touch     whodo
chown     du       help      mknod pr      settime   tr        xargs
cksum     echo     hostname  more printenv   sh      true      yacc
cmp       ed       id       mt  printf     shl       tsort     yes
col       egrep    install   mv  priocntl   sleep     tty
comb      env      join      mvdir prs     sort      ucb
comm      expand   jsh      nawk prt       spell     ul
copy      expr     kill      newform    ps         split     uname
% ls /usr/heirloom/bin
admin     cp       factor    lc         news       psrinfo   stty      unexpand
apropos   cpio     false     lex        nice       ptime     STTY      unget
awk       csplit   fgrep     line       nl         pwd       su        uniq
banner    cut      file      listusers  nohup      random    sum       units
basename  date     find      ln         oawk       renice    sync      uptime
bc        dc       fmt       logins     od         rm        tabs      users
bdiff     dd       fmtmsg    logname    page       rmdel     tail      val
bfs       delta    fold      ls         paste      rmdir     tape      vc
cal       deroff   get       m4         pathchk    s42       tapecntl  w
calendar  df       getconf   mail       pax        sact      tar       wc
cat       dfspace  getopt    make       pg         sccs      tcopy     what
catman    diff     grep      man        pgrep      sccsdiff  tee       whatis
cdc       diff3    groups    mesg       pkill      sdiff     test      who
chgrp     dircmp   hd        mkdir      posix      sed       time      whoami
chmod     dirname  head      mkfifo     posix2001  setpgrp   touch     whodo
chown     du       help      mknod      pr         settime   tr        xargs
cksum     echo     hostname  more       printenv   sh        true      yacc
cmp       ed       id        mt         printf     shl       tsort     yes
col       egrep    install   mv         priocntl   sleep     tty
comb      env      join      mvdir      prs        sort      ucb
comm      expand   jsh       nawk       prt        spell     ul
copy      expr     kill      newform    ps         split     uname
%