How to find size of a directory in Linux

du is a linux command, is to display the file space allocated to each file and directory contained in the current directory. It Summarize disk usage of each FILE, recursively for directories.



                        # du    - List of directories that exist in the current directory along with their sizes.


                       # du -c   -Gives grand toal as last line of output.

                   
                       # du -s    -Displays summary of directory size.


                         # du -h   -Displays size in human readable format.

Sort Directory size in ascending order.

                         # sudo du -sh * | sort -hr