Linux Common basic Command ls

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ls list file names and permissions under files or directories

• command function:ls (list directory contents) lists file names and permissions under files or directories, and the LS command can not only view Linux Folders contain files and can also view directory information such as file permissions ( including directories, folders, file permissions ) . The LS command is used in a lot of everyday Linux operations !

• Command format:

[[Email protected] ~] #ls "Options" directory path

• Command parameters:

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• Command instance:

Example 1: Displays all files and directories under the specified directory, and also lists all the "." the hidden file at the beginning.

[Email protected] test]# ls-a. .. ABC test1 test2 test3 test4 test5

Example 2: Displays all files and directories under the specified directory, but does not list all "." the hidden file at the beginning.

[Email protected] test]# ls-aabc test1 test2 test3 test4 test5

Example 3: Displays the file's morphology, permissions, owner, file size, last modified time, full name of the file (file name + extension ). The display format displays one file or directory per line.

[Email protected] test]# ls-ltotal 24-rw-r--r--. 1 root root 0 Nov 1 23:42 a.askdrwxr-xr-x. 7 root root 4096Nov 1 14:32 abc-rw-r--r--. 1 root root 0 Nov 1 23:41 bbb.txt-rw-r--r--. 1 root root 0 Nov 1 23:41 c.txtdrwxr-xr-x. 2 root root 4096Nov 1 14:09 test1drwxr-xr-x. 3 root root 4096Nov 1 14:15 test2drwxrwxrwx. 2 root root 4096Nov 1 14:18 test3drwxr-xr-x. 2 root root 4096Nov 1 14:22 test4drwxr-xr-x. 3 rootroot 4096 Nov 1 14:23 test5

Example 4: Lists the files and their directories in chronological order.

[Email protected] test]# ls-ta.ask c.txt bbb.txt ABC test5 test4 test3 test2 test1

Example 5: If there are still subdirectories or files in the listed directory, the files under all directories are displayed.

[Email protected] test]# ls-r.:a.ask ABC bbb.txt c.txt test1 test2 test3 test4 test5./abc:123 a b c ser./abc/ 123:1 2./ABC/123/1:./ABC/123/2:./ABC/A:./abc/b:./abc/c:e F./abc/c/e:./abc/c/f:./abc/ser:dep./abc/ser/dep:h K. /abc/ser/dep/h:./abc/ser/dep/k:./test1:./test2:test22./test2/test22:./test3:./test4:./test5:test5-1./test5/ Test5-1:

extension:ll is the alias of Ls-l

ll -t is descending, ll -T | TAC is ascending

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Linux Common basic Command ls