# phpman > info > pbmmake

[pbmmake(1)](https://www.chedong.com/phpMan.php/man/pbmmake/1/markdown)                  General Commands Manual                 [pbmmake(1)](https://www.chedong.com/phpMan.php/man/pbmmake/1/markdown)

NAME
       pbmmake - create a blank bitmap of a specified size

SYNOPSIS
       pbmmake [-white|-black|-gray ] width height

DESCRIPTION
       Produces  a  portable  bitmap  of  the specified width and height.  The
       color defaults to white.

OPTIONS
       In addition to the usual -white and  -black,  this  program  implements
       -gray.  This gives a simple 50% gray pattern with 1's and 0's alternat-
       ing.

       All flags can be abbreviated to their shortest unique prefix.

SEE ALSO
       [pbm(5)](https://www.chedong.com/phpMan.php/man/pbm/5/markdown), [ppmmake(1)](https://www.chedong.com/phpMan.php/man/ppmmake/1/markdown)

AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.

                               22 February 1989                     [pbmmake(1)](https://www.chedong.com/phpMan.php/man/pbmmake/1/markdown)