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WHAT(1)			   OpenBSD Reference Manual		       WHAT(1)

NAME
     what - show what versions of object modules were used to construct a file

SYNOPSIS
     what [-s] file ...

DESCRIPTION
     what reads each file and searches for sequences of either the form `$'
     immediately followed by the system name (sysname) as defined by uname(3),
     or the form ``@(#)'' as inserted by the source code control system
     (SCCS).  It prints the remainder of the string following this marker, up
     to a NUL, newline, double quote, backslash, or `>' character.

     If the -s option is specified, only the first occurrence of an
     identification string in each file is printed.

EXIT STATUS
     The what utility exits with a return value of 0 if any identification
     strings were found, or with a return value of 1 otherwise.

STANDARDS
     The what utility is compliant with the X/Open Portability Guide Issue 4
     (``XPG4'') specification.

HISTORY
     The what command appeared in 4.0BSD.

BUGS
     As BSD is not licensed to distribute SCCS, this is a rewrite of the what
     command which is part of SCCS.  As such it may not behave exactly the
     same as that command does.

OpenBSD 4.9		       September 3, 2010		   OpenBSD 4.9

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