Linux command description--LS

--list Directory Contents

List information about the FILEs (the current directory by default). Sort entries Alphabetically if none Of-cftuvsux nor--sort. Mandatory arguments to long options is Mandatory for short options too.

Function: Used to display a list of directories.

Syntax: LS (option) (parameter)

Options:

-A: Displays all files and directories (ls default file or directory name is "./..." As hidden)

-A: show except hidden files "./..." List of all files except

-B: Output non-output characters in a file in a backslash-and-character-coded manner

-C: When in use with the "-lt" option, the output directory content is sorted according to the file status time, sorted by the CTime field in the index node of the file. When in conjunction with "-L", the order is based on the state change time of the file.

-C: Multi-column display output (only file name information)

-D: Displays only the directory name, not the list of contents under the directory, and displays the symbolic link file itself instead of the list of directories it specifies.

-F: The type identifier of the best file after each output entry, * Normal file for executable permissions,/for directory, @ for symbolic link, | For command pipeline, = for sockets socket, normal file not output identifier.

-H: Displayed in human readable format with KB,MB file size

-I: Displays the file index node number (inode), an index node representing a file

-L: Displays the list of contents in long format, output information: file name, file type, permission mode, number of hard links, owner, group, file size, file last modified time.

-L: If you encounter a file or directory with a symbolic link, the original file or directory created by the link is directly listed.

-M: Separate the name of each file and directory with a comma

-N: Replace its name with a user ID code and a group identifier Uid/gid

-R: Reverse order and output directory contents list by file name

-R: Recursive processing, all files and subdirectories under the established directory are processed together

-S: Displays the size of files and directories in chunks

-T: Sorting with file and directory change times

Parameters:

Table of Contents: Create a file to display the list, or it can be a specific directory

Example:

ls-lx/-L--sort=extension ": Name extension sort

LS-LHS ", sort files from large to small

Ls-l--si:si is in 1000 units, and-H is in 1024 units.

Ls-l--block-size=m: Setting file display units

Linux command description--LS