How to change files/folders ownership
sudo chown username /location_of_files_or_folders
If you want to change ownership of all containing files and folders recursively, use the -R option like this:
sudo chown -R username /location_of_files_or_folders
How to change files/folders group ownership
sudo chgrp groupname /location_of_files_or_folders
If you want to change group ownership of all containing files and folders recursively, use the -R option like this:
sudo chgrp -R username /location_of_files_or_folders
