The ls command

Yaser Rahmati | یاسر رحمتی

The ls command lets you see the files and directories inside a specific directory (current working directory by default). It normally lists the files and directories in ascending alphabetical order.

Examples:

• To show the files inside your current working directory:

[root@academy tmp]# ls
apa.txt  ks-script-ggLlAt  myfolder   myfolder3
F1       myfile.txt        myfolder2  yum.log
[root@academy tmp]#

• To show the files and directory inside a specific Directory:

[root@academy /]# ls /tmp
apa.txt  ks-script-ggLlAt  myfolder   myfolder3
F1       myfile.txt        myfolder2  yum.log
[root@academy /]#

Syntax:

ls [-OPTION] [DIRECTORY_PATH]

Additional Flags and their Functionalities:

Short Flag	Long Flag	Description
-l	-	Show results in long format
-S	-	Sort results by file size
-t	-	Sort results by modification time
-r	--reverse	Show files and directories in reverse order (descending alphabetical order)
-a	--all	Show all files, including hidden files (file names which begin with a period .)
-la	-	Show long format files and directories including hidden files
-lh	-	list long format files and directories with readable size
-A	--almost-all	.(current working directory) and .. (parent directory)
-d	--directory	Instead of listing the files and directories inside the directory, it shows any information about the directory itself, it can be used with -l to show long formatted information
-F	--classify	Appends an indicator character to the end of each listed name, as an example: / character is appended after each directory name listed
-h	--human-readable	like -l but displays file size in human-readable unit not in bytes

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