ls (list filenames)

Outputs the names of the files in a directory.

 Format:    ls directory_name Examples:  ls            ls /home/janet 

directory_name is optional. If it's not included, the current directory is assumed.

Opt	What It Does	Example
-1	List 1 file per line	ls -1
-a	List all files, including hidden system files	ls -a . .. backup file1 file2
-d	List only directories	ls -d
-l	Long listing	ls -l -rw-r--r-- 1 janet janet 579 2005-1-10 00:22 file1 -rw-r--r-- 1 janet janet 579 2005-1-10 00:22 file2
-r	List in reverse order	ls -r -rw-r--r-- 1 janet janet 579 2005-1-10 00:22 file2 -rw-r--r-- 1 janet janet 579 2005-1-10 00:22 file1
-R	List subdirectories	ls -R
-s	List with file size in bytes	ls -s 5 file1 3 file2]
-S	Sort by size	ls -S
-X	Sort by extension	ls -X