tobw(6D)

tobw - convert a color image to black and white

As shipped in IRIX 6.5.30. Unchanged since IRIX 6.5.

NAME
     tobw - convert a color image to black and white

SYNOPSIS
     tobw colorimage bwimage

DESCRIPTION
     tobw converts a stored color image to black and white and saves it.  The
     color file must already exist as colorimage; the black and white file
     will be named bwimage.