File is a utility that classifies arbitrary files of any type mainly by their contents. It is considered standard on most Unix distributions. It can output either human-readable concise descriptions or MIME types for machine handling.
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This version can distinguish between ASCII, ISO-8859, UTF-8-encoded Unicode, UTF-16-encoded Unicode, non-ISO 8-bit extended-ASCII, and EBCDIC character codes. There are also some additions to the list of magic numbers.