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FreeBSD 11.0 - man page for what (freebsd section 1)

WHAT(1) 						    BSD General Commands Manual 						   WHAT(1)

NAME
what -- show what versions of object modules were used to construct a file
SYNOPSIS
what [-qs] [file ...]
DESCRIPTION
The what utility searches each specified file for sequences of the form ``@(#)'' as inserted by the SCCS source code control system. It prints the remainder of the string following this marker, up to a NUL character, newline, double quote, '>' character, or backslash. The following options are available: -q Only output the match text, rather than formatting it. -s Stop searching each file after the first match.
EXIT STATUS
Exit status is 0 if any matches were found, otherwise 1.
SEE ALSO
ident(1), strings(1)
STANDARDS
The what utility conforms to IEEE Std 1003.1-2001 (``POSIX.1''). The -q option is a non-standard FreeBSD extension which may not be avail- able on other operating systems.
HISTORY
The what command appeared in 4.0BSD.
BUGS
This is a rewrite of the SCCS command of the same name, and behavior may not be identical.
BSD
December 14, 2006 BSD