# file > Determine file type. > More information: . - Give a description of the type of the specified file. Works fine for files with no file extension: `file {{path/to/file}}` - Look inside a zipped file and determine the file type(s) inside: `file -z {{foo.zip}}` - Allow file to work with special or device files: `file -s {{path/to/file}}` - Don't stop at first file type match; keep going until the end of the file: `file -k {{path/to/file}}` - Determine the MIME encoding type of a file: `file -i {{path/to/file}}`