闲着没事倒腾玩玩
使用项目：
# ls -l /*
-rwxrwxr-x 1 bin 6900 May 16 01:33 /boot
-rwxrwxr-x 1 sys 53302 Jun 8 16:56 /hphtunix
-rwxrwxr-x 1 sys 52850 Jun 8 16:56 /hptmunix
-rwxrwxr-x 1 sys 51790 Jun 8 16:56 /rphtunix
-rwxrwxr-x 1 sys 51274 Jun 8 16:56 /rptmunix
-rwxrwxr-x 1 root 52850 Dec 31 19:01 /unix
/bin:
total 2564
-rwxrwxr-x 1 bin 185 Jan 14 23:50 1
-rwxrwxr-x 1 bin 7604 May 5 05:05 ac
-rwxrwxr-x 1 bin 34652 May 16 15:20 adb
-rwxrwxr-x 1 bin 9844 May 5 05:07 ar
-rwxrwxr-x 1 bin 3610 May 5 05:07 arcv
-rwxrwxr-t 1 bin 5604 May 5 06:26 as
-rwxrwxr-x 1 bin 8226 May 5 05:08 at
-rwxrwxr-x 1 bin 46126 May 11 14:30 awk
-rwxrwxr-x 1 bin 6842 Jan 10 15:25 bas
-rwxrwxr-x 1 bin 1800 May 5 05:09 basename
-rwxrwxr-x 1 bin 13036 May 5 05:11 bc
-rwxrwxr-x 1 bin 3682 May 5 05:12 cal
-rwxrwxr-x 1 bin 329 Jan 18 17:07 calendar
-rwxrwxr-x 1 bin 3748 May 5 05:13 cat
-rwxrwxr-x 1 bin 5422 May 5 05:13 cb
-rwxrwxr-t 1 bin 6464 May 5 05:14 cc
-rwxrwxr-x 1 bin 4374 May 5 05:15 checkeq
-rwxrwxr-x 1 bin 5096 May 5 05:15 chgrp
-rwxrwxr-x 1 bin 3364 May 5 05:16 chmod
-rwxrwxr-x 1 bin 5100 May 5 05:16 chown
-rwxrwxr-x 1 bin 3352 May 5 05:16 clri
-rwxrwxr-x 1 bin 4324 May 5 05:17 cmp
-rwxrwxr-x 1 bin 4650 May 5 05:18 col
-rwxrwxr-x 1 bin 4298 May 5 05:18 comm
-rwxrwxr-x 1 bin 3268 May 5 18:56 cp
-rwxrwxr-x 1 bin 4948 May 5 05:20 crypt
-rwxrwxr-x 1 bin 7140 May 5 05:20 cu
-rwxrwxr-x 1 bin 5710 May 5 05:21 date
-rwxrwxr-x 1 bin 22982 May 5 06:50 dc
-rwxrwxr-x 1 bin 4256 May 16 23:39 dcheck
-rwxrwxr-x 1 bin 6992 May 5 05:22 dd
-rwxrwxr-x 1 bin 8758 May 5 05:23 deroff
-rwxrwxr-x 1 bin 3376 May 5 05:24 df
-rwxrwxr-x 1 bin 9220 May 5 05:25 diff
-rwxrwxr-x 1 bin 270 Jan 10 15:25 diff3
-rwxrwxr-x 1 bin 4068 May 5 05:27 du
-rwxrwxr-x 1 bin 8646 May 5 05:28 dump
-rwxrwxr-x 1 bin 8152 May 5 05:29 dumpdir
-rwxrwxr-x 1 bin 1800 May 5 05:29 echo
-rwxrwxr-x 1 bin 11074 May 5 05:30 ed
-rwxrwxr-x 1 bin 9104 May 5 05:32 egrep
-rwxrwxr-x 1 bin 15418 May 5 09:18 enroll
-rwxrwxr-x 1 bin 28168 May 5 06:56 eqn
-rwxrwxr-x 1 bin 8692 May 5 05:33 expr
-rwxrwxr-x 1 bin 11340 May 5 07:11 f77
-rwxrwxr-x 1 bin 850 May 5 05:33 factor
-rwxrwxr-x 1 bin 7 Jan 10 15:25 false
-rwxrwxr-x 1 bin 5328 May 5 05:34 fgrep
-rwxrwxr-x 1 bin 6342 May 5 05:35 file
-rwxrwxr-x 1 bin 10972 May 5 05:36 find
-rwxrwxr-x 1 bin 13208 May 5 05:37 graph
-rwxrwxr-x 1 bin 6098 May 5 05:38 grep
-rwxrwxr-x 1 bin 6908 May 5 05:39 icheck
-rwxrwxr-x 1 bin 8940 May 5 05:40 iostat
-rwxrwxr-x 1 bin 5870 May 5 05:41 join
-rwxrwxr-x 1 bin 3478 May 5 05:41 kill
-rwxrwxr-t 1 bin 10750 May 15 18:26 ld
-rwxrwxr-x 1 bin 18524 May 5 07:15 learn
-rwxrwxr-x 1 bin 28800 May 5 07:20 lex
-rwxrwxr-x 1 bin 575 Jan 10 15:24 lint
-rwxrwxr-x 1 bin 3938 May 5 05:43 ln
-rwsr-xr-x 1 root 9182 May 5 05:43 login
-rwxrwxr-x 1 bin 5042 May 5 05:44 look
-rwxrwxr-x 1 bin 279 Jan 10 15:25 lookbib
-rwxrwxr-x 1 bin 400 Jan 10 15:25 lorder
-rwxrwxr-x 1 bin 8072 May 5 05:44 ls
-rwxrwxr-x 1 bin 13442 May 5 07:31 m4
-rwsr-xr-x 1 root 13104 May 5 05:45 mail
-rwxrwxr-x 1 bin 20300 May 5 18:57 make
-rwxrwxr-x 1 bin 728 Jan 10 15:25 man
-rwxrwxr-x 1 bin 3200 May 5 05:46 mesg
-rwsr-xr-x 1 root 3710 May 5 05:47 mkdir
-rwsr-xr-x 1 root 6462 May 5 05:49 mv
-rwxrwxr-x 1 bin 4820 May 5 05:50 ncheck
-rwxrwxr-x 1 bin 25722 May 5 07:40 neqn
-rwsr-xr-x 1 root 7900 May 5 05:50 newgrp
-rwxrwxr-x 1 bin 4476 May 5 05:50 nice
-rwxrwxr-x 1 bin 6004 May 5 05:51 nm
-rwxrwxr-x 1 bin 139 Jan 10 15:25 nohup
-rwxrwxr-x 1 bin 38158 May 5 09:02 nroff
-rwxrwxr-x 1 bin 5820 May 5 05:52 od
-rwxrwxr-x 1 bin 5458 May 5 05:53 osh
-rwsr-xr-x 1 root 8454 May 5 05:53 passwd
-rwxrwxr-x 1 bin 1261 Jan 10 15:25 pcc
-rwxrwxr-x 1 bin 269 Jan 10 15:25 plot
-rwxrwxr-x 1 bin 7946 May 5 05:54 pr
-rwxrwxr-x 1 bin 7002 May 5 19:01 prep
-rwxrwxr-x 1 bin 848 May 5 05:54 primes
-rwxrwxr-x 1 bin 8966 May 5 05:55 prof
-rwxrwxr-x 1 bin 7732 May 5 05:56 ps
-rwxrwxr-x 1 bin 7676 May 5 05:56 pstat
-rwxrwxr-x 1 bin 8042 May 5 05:57 ptx
-rwxrwxr-x 1 bin 3188 May 5 05:58 pwd
-rwxrwxr-x 1 bin 9702 May 5 05:58 quot
-rwxrwxr-x 1 bin 4146 May 5 05:59 random
-rwxrwxr-x 1 bin 6028 May 5 05:59 ranlib
-rwxrwxr-x 1 bin 13342 May 6 04:57 ratfor
-rwxrwxr-x 1 bin 29372 May 16 15:20 refer
-rwxrwxr-x 1 bin 12232 May 24 02:32 restor
-rwxrwxr-x 1 bin 3462 May 5 06:01 rev
-rwxrwxr-x 1 bin 4798 May 5 06:01 rm
-rwsr-xr-x 1 root 3778 May 5 06:02 rmdir
-rwxrwxr-x 1 bin 8662 May 5 08:08 roff
-rwxrwxr-x 1 bin 9260 May 5 06:03 sa
-rwxrwxr-x 1 bin 12876 May 5 08:10 sed
-rwxrwxr-x 1 bin 17310 May 5 18:58 sh
-rwxrwxr-x 1 bin 3726 May 5 06:03 size
-rwxrwxr-x 1 bin 3060 May 5 06:04 sleep
-rwxrwxr-x 1 bin 9420 May 5 06:05 sort
-rwxrwxr-x 1 bin 2398 May 5 06:05 sp
-rwxrwxr-x 1 bin 546 Jan 10 15:25 spell
-rwxrwxr-x 1 bin 7048 May 5 06:06 spline
-rwxrwxr-x 1 bin 3876 May 5 06:06 split
-rwxrwxr-x 1 bin 3884 May 5 06:07 strip
-rwxrwxr-x 1 bin 310 Jan 10 15:25 struct
-rwxrwxr-x 1 bin 4430 May 5 06:07 stty
-rwsr-xr-x 1 root 6638 May 5 06:08 su
-rwxrwxr-x 1 bin 3820 May 5 06:08 sum
-rwxrwxr-x 1 bin 146 May 5 06:08 sync
-rwxrwxr-x 1 bin 7868 May 5 07:55 t300
-rwxrwxr-x 1 bin 8060 May 5 07:55 t300s
-rwxrwxr-x 1 bin 7924 May 5 07:55 t450
-rwxrwxr-x 1 bin 2770 May 5 06:09 tabs
-rwxrwxr-x 1 bin 1896 May 15 23:09 tail
-rwxrwxr-x 1 bin 17724 May 16 15:19 tar
-rwxrwxr-x 1 bin 30446 May 5 08:45 tbl
-rwxrwxr-x 1 bin 8398 May 5 06:10 tc
-rwxrwxr-x 1 bin 1346 May 5 06:11 tee
-rwxrwxr-x 1 bin 8346 May 5 07:55 tek
-rwxrwxr-x 1 bin 2876 May 5 06:12 test
-rwxrwxr-x 1 bin 5340 May 5 06:12 time
-rwxrwxr-x 1 bin 5550 May 5 06:13 tk
-rwxrwxr-x 1 bin 3050 May 5 06:13 touch
-rwxrwxr-x 1 bin 9710 May 5 08:47 tp
-rwxrwxr-x 1 bin 2648 May 5 06:13 tr
-rwxrwxr-x 1 bin 41666 May 5 09:02 troff
-rwxrwxr-x 1 bin 0 Jan 10 15:25 true
-rwxrwxr-x 1 bin 7772 May 5 06:14 tsort
-rwxrwxr-x 1 bin 3010 May 5 06:14 tty
-rwxrwxr-x 1 bin 4252 May 5 06:15 uniq
-rwxrwxr-x 1 bin 7102 May 5 06:16 units
-rwsrwxr-x 1 uucp 20974 May 5 09:15 uucp
-rwxrwxr-x 1 bin 12322 May 5 09:16 uulog
-rwxrwxr-x 1 bin 20064 May 5 09:16 uux
-rwxrwxr-x 1 bin 8646 May 5 07:55 vplot
-rwxrwxr-x 1 bin 8012 May 5 06:17 vpr
-rwxrwxr-x 1 bin 3878 May 5 06:18 wc
-rwxrwxr-x 1 bin 6348 May 5 06:18 who
-rwxrwxr-x 1 bin 5470 May 5 06:19 write
-rwxrwxr-x 1 bin 20604 May 5 09:18 xget
-rwxrwxr-x 1 bin 21278 May 5 09:18 xsend
-rwxrwxr-x 1 bin 24268 May 5 09:21 yacc
-rwxrwxr-x 1 bin 2522 May 5 06:19 yes
/dev:
total 2
crw--w--w- 1 root 0, 0 Dec 31 19:10 console
crw-r--r-- 1 bin 8, 1 Jan 10 15:40 kmem
-rw-rw-r-- 1 bin 775 Jan 10 15:26 makefile
crw-r--r-- 1 bin 8, 0 Jan 10 15:39 mem
brw-rw-rw- 1 root 3, 0 Dec 31 19:00 mt0
crw-rw-rw- 1 root 12,128 Dec 31 19:00 nrmt0
crw-rw-rw- 1 bin 8, 2 Dec 31 19:00 null
crw-rw-rw- 1 root 12, 0 Dec 31 19:00 rmt0
brw-r--r-- 1 root 6, 0 Dec 31 19:01 rp0
brw-r--r-- 1 root 6, 6 Dec 31 19:01 rp3
crw-r--r-- 1 root 14, 0 Dec 31 19:00 rrp0
crw-r--r-- 1 root 14, 6 Dec 31 19:00 rrp3
brw-r--r-- 1 root 6, 1 Dec 31 19:00 swap
crw-rw-rw- 1 bin 17, 0 Jan 10 15:40 tty
/etc:
total 92
-rwxrwxr-x 1 bin 1102 May 5 05:06 accton
-rwxrwxr-x 1 bin 6064 May 5 05:19 cron
-rw-rw-rw- 1 bin 0 Jan 10 15:21 ddate
-rwxrwxr-x 1 bin 5350 May 5 05:27 dmesg
-rwxrwxr-x 1 bin 1458 May 5 05:36 getty
-rw-r--r-- 1 root 49 Jan 10 15:26 group
-rwxrwxr-x 1 bin 2482 May 16 15:19 init
-rwxrwxr-x 1 bin 8484 May 5 05:47 mkfs
-rwxrwxr-x 1 bin 3642 May 5 05:48 mknod
-rwxrwxr-x 1 bin 3976 May 5 05:48 mount
-rw-r--r-- 1 root 64 Dec 31 19:05 mtab
-rw-r--r-- 1 root 141 Jan 15 01:24 passwd
-rw-rw-r-- 1 bin 366 May 14 18:00 rc
-rw-rw-r-- 1 bin 266 Jan 24 12:32 ttys
-rwxrwxr-x 1 bin 3794 May 5 06:15 umount
-rwxrwxr-x 1 bin 634 May 5 06:16 update
-rw-r--r-- 1 bin 40 Dec 31 19:06 utmp
-rwxrw-r-- 1 root 4520 May 5 06:18 wall
/lib:
total 605
-rwxrwxr-t 1 bin 5112 May 5 06:26 as2
-rwxrwxr-t 1 bin 23924 May 7 02:49 c0
-rwxrwxr-t 1 bin 35282 May 16 04:03 c1
-rwxrwxr-t 1 bin 11632 May 7 02:50 c2
-rwxrwxr-x 1 bin 14298 May 5 06:47 cpp
-rw-rw-r-- 1 bin 200 Jan 22 20:49 crt0.o
-rwxrwxr-x 1 bin 82454 May 5 07:11 f77pass1
-rw-rw-r-- 1 bin 236 Jan 22 20:49 fcrt0.o
-rw-rw-r-- 1 bin 592 Jan 22 20:49 fmcrt0.o
-rw-rw-r-- 1 bin 72388 May 16 15:56 libc.a
-rw-rw-r-- 1 bin 2508 May 5 07:20 libln.a
-rw-rw-r-- 1 bin 20082 May 5 03:28 libm.a
-rw-rw-r-- 1 bin 5052 Jan 22 20:08 libplot.a
-rw-rw-r-- 1 bin 7602 Jan 22 20:08 libt300.a
-rw-rw-r-- 1 bin 8090 Jan 22 20:08 libt300s.a
-rw-rw-r-- 1 bin 8464 Jan 22 20:08 libt4014.a
-rw-rw-r-- 1 bin 7642 Jan 22 20:08 libt450.a
-rw-rw-r-- 1 bin 556 Jan 22 20:49 mcrt0.o
/tmp:
total 0
/usr:
total 15
drwxrwxr-x 3 bin 128 Jan 10 15:18 dict
drwxrwxr-x 2 dmr 400 May 16 15:37 dmr
drwxrwxr-x21 bin 688 Jan 20 05:57 doc
drwxrwxr-x 5 bin 416 Jan 10 15:19 games
drwxrwxr-x 3 bin 496 May 5 02:16 include
drwxrwxr-x10 bin 544 May 15 23:38 lib
drwxrwxr-x11 bin 176 Jan 10 15:17 man
drwxrwxr-x 2 bin 112 Jan 10 15:24 mdec
drwxrwxr-x 2 bin 80 Jan 10 15:19 pub
drwxrwxr-x 6 bin 96 May 11 02:50 spool
drwxrwxr-x12 bin 208 Jan 22 18:57 src
drwxrwxr-x 7 sys 128 May 14 00:12 sys
drwxrwxrwx 2 bin 224 May 16 15:28 tmp
连 uname 都没有的上古 Unix（）