# CONFIG.SUB - validate and canonicalize a configuration triplet - man(1) - [phpMan]

[_CONFIG.SUB_(1)](https://www.chedong.com/phpMan.php/man/CONFIG.SUB/1/markdown)                               User Commands                              [_CONFIG.SUB_(1)](https://www.chedong.com/phpMan.php/man/CONFIG.SUB/1/markdown)

## NAME
       config.sub - validate and canonicalize a configuration triplet

## SYNOPSIS
       **config.sub **[_OPTION_] _CPU-MFR-OPSYS_ _or_ _ALIAS_

## DESCRIPTION
       Canonicalize a configuration name.

## OPTIONS
### -h --help
              print this help, then exit

### -t --time-stamp
              print date of last modification, then exit

### -v --version
              print version number, then exit

## REPORTING BUGS
       Report bugs and patches to <<config-patches@gnu.org>>.

## COPYRIGHT
       Copyright 1992-2022 Free Software Foundation, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even
       for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

GNU config.sub (2022-01-03)                 January 2022                               [_CONFIG.SUB_(1)](https://www.chedong.com/phpMan.php/man/CONFIG.SUB/1/markdown)