delete directory and sub directories with rmdir in linux code example

Example 1: rm directory linux

To remove an empty directory, use either rmdir or rm -d followed by the directory name: 
rm -d dirname rmdir dirname.
To remove non-empty directories and all the files within them, use the rm command with the -r (recursive) option: 
rm -r dirname.

Example 2: remove folder in all sub folders linux command

$ find /start/search/from/this/dir -name "dirname-to-delete" -type d -exec /bin/rm -rf {} +