tree指令

sudo apt-get install tree

:~$ tree --help
usage: tree [-acdfghilnpqrstuvxACDFQNSUX] [-H baseHREF] [-T title ] [-L level [-R]]
    [-P pattern] [-I pattern] [-o filename] [--version] [--help] [--inodes]
    [--device] [--noreport] [--nolinks] [--dirsfirst] [--charset charset]
    [--filelimit[=]#] [--si] [--timefmt[=]<f>] [<directory list>]
  ------- Listing options -------
  -a            All files are listed.
  -d            List directories only.
  -l            Follow symbolic links like directories.
  -f            Print the full path prefix for each file.
  -x            Stay on current filesystem only.
  -L level      Descend only level directories deep.
  -R            Rerun tree when max dir level reached.
  -P pattern    List only those files that match the pattern given.
  -I pattern    Do not list files that match the given pattern.
  --noreport    Turn off file/directory count at end of tree listing.
  --charset X   Use charset X for terminal/HTML and indentation line output.
  --filelimit # Do not descend dirs with more than # files in them.
  --timefmt <f> Print and format time according to the format <f>.
  -o filename   Output to file instead of stdout.
  -------- File options ---------
  -q            Print non-printable characters as '?'.
  -N            Print non-printable characters as is.
  -Q            Quote filenames with double quotes.
  -p            Print the protections for each file.
  -u            Displays file owner or UID number.
  -g            Displays file group owner or GID number.
  -s            Print the size in bytes of each file.
  -h            Print the size in a more human readable way.
  --si          Like -h, but use in SI units (powers of 1000).
  -D            Print the date of last modification or (-c) status change.
  -F            Appends '/', '=', '*', '@', '|' or '>' as per ls -F.
  --inodes      Print inode number of each file.
  --device      Print device ID number to which each file belongs.
  ------- Sorting options -------
  -v            Sort files alphanumerically by version.
  -r            Sort files in reverse alphanumeric order.
  -t            Sort files by last modification time.
  -c            Sort files by last status change time.
  -U            Leave files unsorted.
  --dirsfirst   List directories before files (-U disables).
  ------- Graphics options ------
  -i            Don't print indentation lines.
  -A            Print ANSI lines graphic indentation lines.
  -S            Print with ASCII graphics indentation lines.
  -n            Turn colorization off always (-C overrides).
  -C            Turn colorization on always.
  ------- XML/HTML options -------
  -X            Prints out an XML representation of the tree.
  -H baseHREF   Prints out HTML format with baseHREF as top directory.
  -T string     Replace the default HTML title and H1 header with string.
  --nolinks     Turn off hyperlinks in HTML output.
  ---- Miscellaneous options ----
  --version     Print version and exit.
  --help        Print usage and this help message and exit.

tree

.
├── Image_Generated
│   ├── Averaging_Blur_Enhanced.jpg
│   ├── Averaging_Blur.jpg
│   ├── Completed_Blur.jpg
│   ├── Edge_Detection_360_degree.jpg
│   ├── Edge_Detection_45_degree.jpg
│   ├── Embossing_45_degree.jpg
│   ├── Embossing_Asymmetric.jpg
│   ├── Embossing_.jpg
│   ├── Gaussian_Blur.jpg
│   ├── Motion_Blur.jpg
│   ├── Naive.jpg
│   ├── Sharpness_Center.jpg
│   └── Sharpness_Edge.jpg
├── Image_Origin
│   └── Elegent_Girl.jpg
├── README.md
├── requirements.txt
└── src
    ├── convolution.py
    ├── filter.py
    ├── main.py
    └── run.sh

3 directories, 20 files

tree -d

.
├── Image_Generated
├── Image_Origin
└── src

3 directories

tree -a

.
├── .git
│   ├── branches
│   ├── COMMIT_EDITMSG
│   ├── config
│   ├── description
│   ├── FETCH_HEAD
│   ├── HEAD
│   ├── hooks
│   │   ├── applypatch-msg.sample
│   │   ├── commit-msg.sample
│   │   ├── post-update.sample
│   │   ├── pre-applypatch.sample
│   │   ├── pre-commit.sample
│   │   ├── prepare-commit-msg.sample
│   │   ├── pre-push.sample
│   │   ├── pre-rebase.sample
│   │   └── update.sample
│   ├── index
│   ├── info
│   │   └── exclude
│   ├── logs
│   │   ├── HEAD
│   │   └── refs
│   │       ├── heads
│   │       │   └── master
│   │       └── remotes
│   │           └── origin
│   │               └── master
│   ├── objects
│   │   ├── 0e
│   │   │   └── ec93e862fe54032b112ca19265fdb90609fb53
│   │   ├── 12
│   │   │   └── ffcdab3989314a79ad363e2a20671c29f3bd0c
│   │   ├── 16
│   │   │   └── 5e327e2f61cb84ace4bcd2c12a60874ec6fdc7
│   │   ├── 18
│   │   │   └── c7dcc2b44495e36d1fd9f3dfb39d96b8fcc0cf
│   │   ├── 1a
│   │   │   └── e55d35b920c90b26c27829dd55546c9a898c0a
│   │   ├── 22
│   │   │   ├── 4301ec4059d22e39736d710f5e38d0bb5e4e5e
│   │   │   └── 44f6edb803d0731d08b4ebeec5593ff5050118
│   │   ├── 23
│   │   │   └── 69dedcc32959f764e382d8b7ffe2035781f768
│   │   ├── 28
│   │   │   └── 82a713ba71f7843b5eea5aa0e7058f1afbdc23
│   │   ├── 3b
│   │   │   └── 00325224fe9769d0253eb6078d5e31c621892f
│   │   ├── 43
│   │   │   └── 642dee9c626b48d38470e1ed91fa4cf6a0361a
│   │   ├── 53
│   │   │   └── 8ec6dcb0e17c614948912061c40d7c2a2aaa73
│   │   ├── 54
│   │   │   └── b69844052ccad0a7f4829207f68020f8cbe2ff
│   │   ├── 59
│   │   │   └── 7ba6b940bbc208322052816cd209749e2967c1
│   │   ├── 5c
│   │   │   └── bb0212b2a864eff40369ade20792d13dee7aed
│   │   ├── 5f
│   │   │   └── deb71da3d17f8784a9b45eeee2c1fec99510fc
│   │   ├── 60
│   │   │   └── 85900d533af6a4d61419e71a887420c2583bd1
│   │   ├── 63
│   │   │   └── 1864dae56f33e711d1b742e4ef313d70e18371
│   │   ├── 65
│   │   │   └── 9fbad800e4d607444ded54c98638368957681e
│   │   ├── 69
│   │   │   └── da980783fa6db646bf0e3404c180b9309f7581
│   │   ├── 6d
│   │   │   └── 807e8acdcdc4e4b05596ec912691d7af9f79a4
│   │   ├── 76
│   │   │   └── a41df274117afc56715e46acf35daecb0b828b
│   │   ├── 87
│   │   │   └── 76aa55298eff4ca46c3ba2231d21e1b8cc5650
│   │   ├── 92
│   │   │   └── 83a3128ba8de5290052b2efd5b8504a4516384
│   │   ├── 93
│   │   │   └── 3a2011fd9e6f54cdd044ee74e9151758408ec9
│   │   ├── b9
│   │   │   └── 6444449dc64d52219a28aa1c9d06511349a522
│   │   ├── c7
│   │   │   └── 4772f9b1e58c8dd903dfa4a3c760bcd0fe901e
│   │   ├── cf
│   │   │   └── 7d3163f15935902f53d53a29a748660c4ed532
│   │   ├── d1
│   │   │   └── 411627491e803b66e57c1dbb2bc2228b2154ce
│   │   ├── e0
│   │   │   └── 228271b6d091a4d9a1b7dbfe4264124a531a6a
│   │   ├── ec
│   │   │   └── c399f41d63545e1a902d50cb211f91c3f045d0
│   │   ├── ee
│   │   │   ├── 077213f7bc3aa03d2025c7ecf372727530f590
│   │   │   └── 7db981a14bb8a09b87d542985a467fdda61153
│   │   ├── info
│   │   └── pack
│   ├── ORIG_HEAD
│   └── refs
│       ├── heads
│       │   └── master
│       ├── remotes
│       │   └── origin
│       │       └── master
│       └── tags
├── Image_Generated
│   ├── Averaging_Blur_Enhanced.jpg
│   ├── Averaging_Blur.jpg
│   ├── Completed_Blur.jpg
│   ├── Edge_Detection_360_degree.jpg
│   ├── Edge_Detection_45_degree.jpg
│   ├── Embossing_45_degree.jpg
│   ├── Embossing_Asymmetric.jpg
│   ├── Embossing_.jpg
│   ├── Gaussian_Blur.jpg
│   ├── Motion_Blur.jpg
│   ├── Naive.jpg
│   ├── Sharpness_Center.jpg
│   └── Sharpness_Edge.jpg
├── Image_Origin
│   └── Elegent_Girl.jpg
├── README.md
├── requirements.txt
└── src
    ├── convolution.py
    ├── filter.py
    ├── main.py
    └── run.sh

51 directories, 75 files