pbmfilters(1) on Linux
The text d722e99610bd, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
list of all programs in the PBMPlus package
The text d722e99610bd, as Debian 2.2 (Potato), Debian 2.1 (Slink), Debian 2.0 (Hamm) shipped it.
list of all programs in the PBMPlus package