File and Directory Properties

1. displaying file and directory details

[Email protected] ~]# ls-l

Total Dosage 52

Drwxr-xr-x 2 root root 4096 September 20 19:23 111

-RW-------. 1 root root 1460 September 9 02:39 anaconda-ks.cfg

-rw-r--r--. 1 root root 29745 September 9 02:39 Install.log

-rw-r--r--. 1 root root 6995 September 9 02:37 Install.log.syslog

-RW-------. Altogether 11 people

First column: 1th bit, what type of file is represented

-Normal file

Catalog D

C-Character device (mouse, keyboard)

B-Block devices (disk, disc, U-disk)

Soft link (similar to Windows shortcut, just record the path of a file)

s socket file (for interprocess communication)

P Pipe file (also used for communication, the output of one command as input to another command)

Then the next 9 bits, which represent the file's attribute permissions

Divided into three segments:

First paragraph: Indicates the owning master

Second paragraph: Indicates the owning group

Third paragraph: indicates other

R Readable w writable x executable-No

The last side. Related to SELinux, understand.

Second column: Indicates how many files and directories use the same inode for this file or directory

Column three: Owning Master

Fourth column: Owning group

Fifth Column: Size

humanized Display Size

[Email protected] ~]# LS-LH

Total dosage 52K

Drwxr-xr-x 2 root root 4.0K September 20 19:23 111

-RW-------. 1 root root 1.5K September 9 02:39 anaconda-ks.cfg

-rw-r--r--. 1 root root 30K September 9 02:39 Install.log

-rw-r--r--. 1 root root 6.9K September 9 02:37 Install.log.syslog

第六、七、八 column: Time to create or change

Nineth column: File name or directory name

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File and Directory Properties