BSD 4.4 Lite Usr.bin Sources

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+.\" Copyright (c) 1990, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)file.1	8.2 (Berkeley) 3/31/94
+.\"
+.Dd March 31, 1994
+.Dt FILE 1
+.Os
+.Sh NAME
+.Nm file
+.Nd identify file content
+.Sh SYNOPSIS
+.Nm file
+.Op Fl h
+.Ar file ...
+.Sh DESCRIPTION
+.Nm File
+tests the specified files and attempts to classify them.
+If a file is a text file,
+it attempts to determine the type of text (e.g.
+.Xr csh 1
+commands or C source code).
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl h
+If a symbolic link is specified, identify the file as a symbolic
+link.
+By default, symbolic links are only identified if they reference
+non-existent files.
+.El
+.Sh COMPATIBILITY
+Previous implementations of the
+.Nm file
+utility did not follow symbolic links by default.
+.Sh BUGS
+As many tests are used and
+.Nm file
+stops testing on the first successful one, it can often make mistakes.
+.Sh HISTORY
+A
+.Nm file
+command appeared in
+.At v6 .