WHAT(1) BSD Reference Manual WHAT(1)
what - show what versions of object modules were used to construct a file
what [-s] [file [...]]
what reads each file and searches for sequences of the form "@(#)" as in- serted by the source code control system. 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 identifi- cation string in each file is printed.
The what utility exits with a return value of 0 if any identification strings were found, or with a return value of 1 otherwise.
The what utility is expected to be a superset of the IEEE Std 1003.1 ("POSIX") specification. In MirOS #5 and up, the ability to operate on standard input is restored.
The what command appeared in 4.0BSD.
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. MirOS BSD #10-current October 13, 2006 1
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