1Netpbm is a toolkit for conversion of images between a variety of 2different formats, as well as to allow a few basic image operations. 3Netpbm is based on the widely spread Pbmplus package (release: 10 Dec 491). On top of that, a lot of improvements and additions have been 5made. After the latest release of Pbmplus, a lot of additional filters 6have been circulating on the net. The aim of Netpbm was, to collect 7these and to turn them into a package. This work has been performed by 8a group of programmers all over the world. 9 10WWW: http://netpbm.sourceforge.net/ 11