LS for common commands of Linux

The LS Universal list (list) is equivalent to the DOS command dir, which lists all the files under the directory.

command using format:ls [OPTION] ... [FILE] ...

Let's take a look at ls what options are available for us to choose from, and what each option means:

- L: Long format (display content as follows):

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The contents of the display contain 8 items:

1. File type:

-: Normal file

D: Catalog file

B: Block device files (blocks)

C: Character device file (character)

L: Symbolic Link files (symbolic link file)

P: Command pipe file (pipe)

S: Socket file (socket)

2, File permissions: 9-bit, every 3 bits of a group, each component read, write, execute permissions (RWX), did not give any permission to-represent.

3 . The number of hard links to the file.

4, the owner of the document.

5. A group of documents.

6, the size of the file.

7. Timestamp (timestamp): The time of the most recent fix .

Access: access
Modified: Modify, file content changed
Change: Change,metadata, original data

8. Name of the file.

-A : Displays all files, including hidden files that begin with., and compares with the LS command to list hidden files that begin with.

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- D : If the file is a directory, the properties of the directory itself are listed, not the files in the directory.

- I.: The index node (inode) Displays the miniature nodes number.

     -R: recursive (recursive) display, lists the files for all subdirectories in the directory.

                -h: unit conversion (file size).

The LS command can also be used in conjunction with two parameters, for example: Ls-la lists all files including the long format of hidden files.

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LS and other parameters are not listed, you can use the man ls to query ls description, parameters, usage.

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LS for common commands of Linux