Listting all subdirectories under the input directory path on shell can be done with a command below. 

ls -lR <input directory path> | grep '^d'

Here is how to count a number of all subdirectories by a command below. 

ls -lR <input directory path> | grep '^d' | wc -l

To list all files under the input directory is here. 

ls -lR <input directory path>

To count a number of all the files under the input directoy with a command below. 

ls -lR <input directory path> | wc -l
By : Peita