Linux tree command trees display file directory structure and handle CRT display garbled problem

This experience is done under CentOS release 6.7 (Final): View directory with ls command/var display: # Ls/var/account crash db Games local log NIS preserve SP Ool ypcache CVs empty lib lock mail opt run tmp for a more intuitive display of the file directory, we use the tree command to display:

# yum install treeloaded plugins: fastestmirror, securitysetting up  install processbase                                                       | 3.7 kb     00:00     base/primary_db                                            | 4.7 MB     02:22      extras                                                    | 3.4 kB      00:00     extras/primary_db                                         |  37 kb      00:00     updates                                                    | 3.4 kB     00:00      updates/primary_db                                        |  89 kb     00:01     resolving  dependencies--> running transaction check---> Package tree.x86_64  0:1.5.3-3.el6 will be installed--> finished dependency resolutiondependencies  resolved=============================================================================== package         Arch              Version                   repository      size============================== =================================================installing: tree            x86_64           1.5.3-3.el6               base             36 ktransaction summary========================================= ======================================install       1 package (s) total &NBSP;DOWNLOAD&NBSP;SIZE:&NBSP;36&NBSP;KINSTALLED&NBSP;SIZE:&NBSP;65&NBSP;KIS&NBSP;THIS&NBSP;OK&NBSP;[Y/N]:  yDownloading Packages:tree-1.5.3-3.el6.x86_64.rpm                               |  36 kB     00:00      Warning: rpmts_hdrfromfdno:&nBsp Header v3 rsa/sha1 signature, key id c105b9de: nokeyretrieving key  from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6Importing GPG key 0xC105B9DE:  userid : centos-6 key  (Centos 6 official signing key)  <[email  protected]> Package: centos-release-6-7.el6.centos.12.3.x86_64  (@ anaconda-centos-201508042137.x86_64/6.7)  from   : /etc/pki/rpm-gpg/ rpm-gpg-key-centos-6is this ok [y/n]: yrunning rpm_check_debugrunning  transaction testtransaction test succeededrunning transaction  installing :  tree-1.5.3-3.el6.x86_64                                       1/1   verifying  : tree-1.5.3-3.el6.x86_64                                       1/1 installed:  tree.x86_64 0:1.5.3-3.el6                                                       complete!

The tree command is installed!

Displays the first-level directories and files for the/var directory:

# tree-l 1/var/vara "A" a "AccountA" a "a" Cachea "a" a "Crasha" a "a" CVSA "a" a "DBA" a "a" Emptya "a" a "Gamesa" a "a" Liba "a" a "loca La "A" a "Locka" a "a" Loga "a" a "mail-Spool/maila" a "a" Nisa "a" a "Opta" a "a" Preservea "a" a "Runa" a "a" Spoola "a" a "" Tmpa "" a " "A" YP

Directories, 0 files

Display garbled, garbled reason is: the current user's environment lang variable and CRT character encoding is not consistent.

The Linux character set view:

# echo $LANGen _us. UTF-8

Set the CRT's CharSet to UTF-8:

650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/82/10/wKiom1dJqMbhXF8ZAADffYtZtKk585.jpg-wh_500x0-wm_3 -wmp_4-s_1400922096.jpg "title=" 1.JPG "alt=" Wkiom1djqmbhxf8zaadffytztkk585.jpg-wh_50 "/>

Displays the first-level directories and files of the/var directory: normal

# tree-l 1/var/var├──account├──cache├──crash├──cvs├──db├──empty├──games├──lib├──local├──lock├──log├──mail- > spool/mail├──nis├──opt├──preserve├──run├──spool├──tmp└──yp19 directories, 0 files

Tree's system Help:

# tree --helpusage: tree [-adfghilnpqrstuvxacdfns] [-h basehref] [-t  Title ] [-l level [-r]]        [-p pattern]  [-I pattern] [-o filename] [--version] [--help] [--inodes]         [--device] [--noreport] [--nolinks] [--dirsfirst] [-- Charset charset]        [--filelimit #] [<directory  list>]  -a            All  files are listed.  -d             List directories only.  -l             Follow symbolic links like directories.  -f             print the full path prefix for each file.   -i            don ' t print  indentation lines.  -q             print non-printable characters as  '? '.   -n            print non-printable  characters as is.  -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.  -d             Print the date of last  Modification.  -f            appends   '/',  ' = ',  ' * ', or  ' | '  as per ls -F.  -v             Sort files alphanumerically by version.  -r             Sort files in reverse alphanumeric  order.  -t             sort files by last modification time.  -x             stay on current filesystem only.  -l  level         descend only level directories  deep.  -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.  -P pattern     List only those files that match the pattern given.  -i pattern     Do not list files that match the given pattern.   -h basehref   prints out html format with basehref as  top directory.  -t string     replace the default  HTML title and H1 header with string.  -R             rerun tree when max dir level  reached.  -o file       Output to file  instead of stdout.  --inodes      print inode  Number of each file.  --device      print device  id number to which each file belongs.  --noreport    turn off  file/directory count at end of tree listing.  --nolinks      Turn off hyperlinks in HTML output.  --dirsfirst    list directories before files.  --charset x   use  charset x for html and indentation line output.  -- filelimit # do not descend dirs with more than # files  In them.

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Linux tree command trees display file directory structure and handle CRT display garbled problem