Only the owner of a file or a privileged user may change its mode. Typically a superuser command. Will overwrite files with same names, use cp -i for confirm option.
Current directory is default.
At least one pathname and one condition must be specified. Remember to use the -print command to view results on the screen. This is a very comprehensive editor, recommended for advanced users. If no names are given, list the files in the current directory. Use mv -i for confirm option.