chown user file : Change owner of filechown -R user dir: Recursively change owner of directory and the files it containschown -f user file: Silent. Suppress errorschown --from=user.group file: Changes ownership of foo if current owner and/or group matches the given valueschown -R -c user dir: Change recursively ownership in bar only reporting when a change is madechown user.group file: Change owner and group of file