Ubuntu

Binary package “file-dbg” in ubuntu trusty

  1. Trusty (14.04)
  2. file-dbg

Determines file type using "magic" numbers (debug)

 File tests each argument in an attempt to classify it. There are three sets of
 tests, performed in this order: filesystem tests, magic number tests, and
 language tests. The first test that succeeds causes the file type to be
 printed.
 .
 This package contains the debugging symbols.

Source package