>> ls ( list files )

ls ( list files )

ls    > will display files and folders in the present directory

ls -l    >  this displays all the files and folders with detail information in the present directory. The detail information includes :  file types , permissions, owner, group, size, last-modified date filename as below : 

-rw-rw-r-- 1 name1 name2    0 Sep 29 14:29 black

-rw-rw-r-- 1 name1 name2    0 Sep 29 14:29 brown

drwxrwxr-x 2 name1 name2 4096 Sep 29 14:29 colors

drwxrwxr-x 2 name1 name2 4096 Sep 29 14:29 fruits

ls -lt    > displays the files/folders sorting the list by date(latest at the top and oldest at the bottom)

ls -ltr   > displays the files/folders sorting the list by date(oldest at the top and latest at the bottom)

ls -a    > displays the hidden files/folders whose name starts with "."

ls -R   > displays the subdirectories  contents  also.

ls -l | grep  '^d'  > displays only directories.

ls -lt >File1 > this will save the result of ls -lt to File1.

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