Linux commands (4) LS

1. Role

View files and directories.

2. Usage

ls "parameter" "Directory Name"

Parameters:

-A: Lists all files, including hidden files (files starting with.);

-A: Lists all files, including hidden files, but not included. With the. These two directories;

-D: Lists only the directory itself, not the file data in the directory;

-F: Lists the results directly without sorting (LS is sorted by file name by default);

-F: According to files, directories and other information to give additional data structure, such as * on behalf of the executable file,/representative directory, = the socket file, | represents the FIFO file;

-L: Lists the contents of the directory as columns, listing the attributes and permissions of the file;

-H: Displays the file capacity in an easy-to-read manner (such as GB, KB, etc.) and uses the-l combination;

-I: List inode numbers;

-N: Lists UID (user ID) and GID (user group ID);

-r: Output The sorting result in reverse order;

-R: Listed along with subdirectory contents;

-S: Sort by file size (default by file name);

-T: Sort by Time (default by file name);

--color=never: Do not give color display according to the file characteristics;

--color=always: Display color;

--color=auto: The system determines the color display according to the settings;

--full-time: Display in full time mode (including date, time, and seconds);

--time={atime,ctime}: Output access time atime or change the permission attribute time CTime, combined with-l use;

3. Example

3.1 ls Dir1

3.2 Ls-a Dir1

List all files, including hidden files (files starting with.);

3.3 Ls-a Dir1

Lists all files, including hidden files, but not included. With the. These two directories;

3.4 ls-d Dir1

Lists only the directory itself, not the file data in the directory;

3.5 ls-f Dir1

List the results directly without sorting (LS default will be sorted by file name);

3.6 Ls-f Dir1

To give additional data structure according to the file, directory and other information, such as * representing executable file,/representative directory, = Socket file, | representing FIFO file;

3.7 Ls-l Dir1

The contents of the directory are listed in columns, listing the attributes and permissions of the file;

3.8 Ls-lh Dir1

Display the file capacity in an easy-to-read manner (such as GB, KB, etc.) and use it in combination with-l;

3.9 Ls-i Dir1

List inode numbers;

3.10 Ls-n Dir1

List UID (user ID) with GID (user group ID);

3.11 Ls-r Dir1

Output the sorting result in reverse order;

3.12 Ls-r Dir1

Together with sub-directory contents;

3.13 Ls-s Dir1

Sort the file size from large to small (by default, by file name);

3.14 ls-t Dir1

Sort by time (default sort by file name);

3.15 ls--color=never dir1

Do not give color display according to the file characteristics;

3.16 LS--color=always Dir1

Display color;

3.17 LS--color=auto dir1

The system determines the color display according to its settings;

3.18 ls--full-time dir1

Display in full time mode (including date and time);

3.19 Ls-l--time=atime Dir1

Output access time atime, in combination with-l;

3.20 ls-l--time=ctime Dir1

The output changes the permission attribute time CTime, and uses the-l combination;

4. Other

LL = Ls-l

Linux commands (4) LS