How to sort the files and directories size wise

   1 . Command -  Using ls command

     
     Command              ->   ls -lS     

                                              l  - Long Listing  which lists permission, links, user, group, size ,

                                                  modified/created date, file name             

                                             S  - Sort the files by Size in Descending order by default. 

                                                    Note -S is a capital letter  

     Command Usage   ->  List the files and directories file size wise ( default descending order) 

   2 . Command -  Using ls & sort commands

     Command              ->    ls -l | sort -k 5 -r   

                                             k - indicates the key and 5 indicates 5th key ( size)

                                             r - reverse in descending order size wise

                             

     Command Usage   ->  This command list the file in long format and pass the output into

                                            sort  command. Sort command takes the 5th key ( size ) and order

                                            by size in descending order.  

  

  Note                             ->   pipe symbol (|) is to pass the output of 

                                              command to next command.