Linux Basic article -05,linux directory Management ls CD pwd mkdir rmdir tree

Directory Management ls CD pwd mkdir rmdir tree

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LS: Display directory

CD: Switch directories

PWD: Show current directory

mkdir: Creating a Directory

RMDIR: Deleting a directory

Tree: Show Directory tree

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1>, ls:list directory contents list Contents

-L: Long format

File type

-: Universal Documents

D: Catalog file

B: Block devices (blocks)

C: Character file (character)

L: Compliant with link file (symbolic link files)

P: Command pipeline file (socket)

[Email protected] ~]# ls-ld/tmp

DRWXRWXRWT. 5 root root 4096 November 10:36/tmp

File permissions + Master (owner) + genus (group) + File size (size, Unit bytes)

-A: Shows all protections. Start with hidden files

. Current directory: Parent Directory

-H: Unit conversion

-D: Display the directory's own properties

-R: Reverse Display

-R: Recursive display

-i:index Nod,inode

--full Time: Show Details

[Email protected] ~]# ls/tmp/-al--full time

LS: Unable to access time: No file or directory

/tmp/:

Total Dosage 40

DRWXRWXRWT. 5 root root 4096 2016-11-14 08:26:25.138197188 +0800.

Dr-xr-xr-x. Root root 4096 2016-11-08 09:12:14.244789696 +0800..

DRWXRWXRWT. 2 root root 4096 2016-11-08 09:12:13.873794359 +0800. Ice-unix

DRWX------. 2 root root 16384 2016-07-20 00:21:08.000000000 +0800 lost+found

DRWX------. 2 root root 4096 2016-11-14 08:26:25.138197188 +0800 ssh-djisj35919

-rw-r--r--. 1 root root 2016-11-10 14:32:13.405295895 +0800 tmp.txt

-rw-r--r--. 1 James Root 2016-11-10 15:26:34.029648704 +0800 t.txt

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2>, Cd:change directory

CD ~username: Specify the user's home directory

CD-: Current directory and previous directory switch

[Email protected] ~]# cd/etc/

[Email protected] etc]# CD-

/root

[Email protected] ~]# CD-

/etc

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3> pwd:printing working directory displays the current working directory

[Email protected] ~]# pwd

/root

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4>,mkdir: Create a single empty directory by default

-P: Recursively create a directory

-V: Display creation information

[Email protected] ~]# MKDIR/TMP/TEST12-PV

mkdir: The directory "/tmp/test12" has been created

[Email protected] ~]# mkdir/tmp/test13

[Email protected] ~]# mkdir/tmp/test13-p

[Email protected] ~]# MKDIR/TMP/TEST14/T/T1/T2/T3/T4-PV

mkdir: The directory "/TMP/TEST14/T/T1/T2/T3" has been created

mkdir: The directory "/TMP/TEST14/T/T1/T2/T3/T4" has been created

[Email protected] ~]# MKDIR/TMP/TEST14/T/T1/T2/T3/T4/T5/T6

mkdir: Unable to create directory "/TMP/TEST14/T/T1/T2/T3/T4/T5/T6": No file or directory

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5>,rmdir: Only 1 empty directories can be deleted by default

-P: Recursively Delete empty directories

-V: Show Delete Information

[Email protected] ~]# RMDIR/TMP/TEST14/T/T1/T2/T3/T4-PV

RMDIR: Deleting directory "/TMP/TEST14/T/T1/T2/T3/T4"

RMDIR: Deleting directory "/TMP/TEST14/T/T1/T2/T3"

RMDIR: Deleting directory "/tmp/test14/t/t1/t2"

RMDIR: Deleting directory "/tmp/test14/t/t1"

RMDIR: Deleting directory "/tmp/test14/t"

RMDIR: Deleting directory "/tmp/test14"

RMDIR: Deleting directory "/tmp"

RmDir: Delete directory "/tmp" failure: Device or resource busy

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6,>,tree: Show directory tree

[Email protected] ~]# tree/tmp/

/tmp/

├──1btest2

├──23btest2

├──atest2

├──btest2

├──file-2016-11-15-19-10-06.txt

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This article is from the "James Zhan Linux Advanced ops" blog, so be sure to keep this source http://jameszhan.blog.51cto.com/10980469/1873664

Linux Basic article -05,linux directory Management ls CD pwd mkdir rmdir tree