Linux ls sequencing

To view files in Linux, sometimes you need to sort the files.

For example, the WebLogic, Oracle directory, is not sorted by creation time or file size by default.

[Email protected] oracle]$ ls-l
Total 184
Drwxr-xr-x 6 web WebLogic 4096 07-02 09:19 coherence_3.7
-RW-RW----1 Web weblogic 426 07-02 09:29 domain-registry.xml
Drwxr-xr-x 2 web weblogic 4096 07-11 11:12 logs
Drwxr-xr-x 7 web WebLogic 36864 07-02 09:16 Modules
-rw-r--r--1 Web weblogic 849 07-02 09:19 OCM.RSP
-rw-r--r--1 Web weblogic 108849 07-02 09:19 registry.dat
-rw-r--r--2 Web weblogic 1908 07-02 09:19 registry.xml
-rw-r--r--1 Web weblogic 1908 07-11 11:10 registry.xml--
Drwxr-x---3 web weblogic 4096 07-02 09:24 user_projects
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:18 utils
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:19 wlserver_10.3

1, by the creation time to sort, defaults to the time most recent pre-row

[Email protected] oracle]$ LS-LT
Total 184
Drwxr-xr-x 2 web weblogic 4096 07-11 11:12 logs
-rw-r--r--1 Web weblogic 1908 07-11 11:10 registry.xml--
-RW-RW----1 Web weblogic 426 07-02 09:29 domain-registry.xml
Drwxr-x---3 web weblogic 4096 07-02 09:24 user_projects
Drwxr-xr-x 6 web WebLogic 4096 07-02 09:19 coherence_3.7
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:19 wlserver_10.3
-rw-r--r--2 Web weblogic 1908 07-02 09:19 registry.xml
-rw-r--r--1 Web weblogic 108849 07-02 09:19 registry.dat
-rw-r--r--1 Web weblogic 849 07-02 09:19 OCM.RSP
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:18 utils
Drwxr-xr-x 7 web WebLogic 36864 07-02 09:16 Modules

2, sorted by file size, note that the parameter is uppercase S, the default is the largest file row before

[Email protected] oracle]$ Ls-ls
Total 184
-rw-r--r--1 Web weblogic 108849 07-02 09:19 registry.dat
Drwxr-xr-x 7 web WebLogic 36864 07-02 09:16 Modules
Drwxr-xr-x 6 web WebLogic 4096 07-02 09:19 coherence_3.7
Drwxr-xr-x 2 web weblogic 4096 07-11 11:12 logs
Drwxr-x---3 web weblogic 4096 07-02 09:24 user_projects
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:18 utils
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:19 wlserver_10.3
-rw-r--r--2 Web weblogic 1908 07-02 09:19 registry.xml
-rw-r--r--1 Web weblogic 1908 07-11 11:10 registry.xml--
-rw-r--r--1 Web weblogic 849 07-02 09:19 OCM.RSP
-RW-RW----1 Web weblogic 426 07-02 09:29 domain-registry.xml

The 5th column is the file size and the largest file is Registry.dat.

3, reverse order (inverted row), using the-R parameter

[Email protected] oracle]$ LS-LSR
Total 184
-RW-RW----1 Web weblogic 426 07-02 09:29 domain-registry.xml
-rw-r--r--1 Web weblogic 849 07-02 09:19 OCM.RSP
-rw-r--r--1 Web weblogic 1908 07-11 11:10 registry.xml--
-rw-r--r--2 Web weblogic 1908 07-02 09:19 registry.xml
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:19 wlserver_10.3
Drwxr-xr-x 8 web WebLogic 4096 07-02 09:18 utils
Drwxr-x---3 web weblogic 4096 07-02 09:24 user_projects
Drwxr-xr-x 2 web weblogic 4096 07-11 11:12 logs
Drwxr-xr-x 6 web WebLogic 4096 07-02 09:19 coherence_3.7
Drwxr-xr-x 7 web WebLogic 36864 07-02 09:16 Modules
-rw-r--r--1 Web weblogic 108849 07-02 09:19 registry.dat

Note: The 2nd column means the number of hard links or directories , the number of hard links to the file, and the number of subdirectories for the folder.