3 file \- determine file type
15 performs a series of tests on its argument
17 in an attempt to classify their contents by language or purpose.
18 If no arguments are given, the classification is performed
28 specification describing the
34 The file types it looks for include
54 output file for various devices,
70 If a file has no apparent format,
72 looks at the character set it uses to classify it according to
81 holding one or more of the following blocks of the Unicode Standard:
110 .B /sys/src/cmd/file.c
112 It can make mistakes.