Linux Manuals · Linux Manuals session 1 rgb3toppm (1) Linux Manual Page ByLinux Manual Posted onApr 20, 2026 rgb3toppm – combine three portable graymaps into one portable pixmap Synopsisrgb3toppm redpgmfile greenpgmfile bluepgmfile DescriptionReads three portable graymaps as input. Combines them and produces one portable pixmap as output. See Alsoppmtorgb3(1), pgmtoppm(1), ppmtopgm(1), ppm(5), pgm(5) AuthorCopyright (C) 1991 by Jef Poskanzer. Read more: x86_64-linux-gnu-cpp-11 (1) Linux Manual Page x86_64-linux-gnu-g++-11 (1) Linux Manual Page x86_64-linux-gnu-gcc-8 (1) Linux Manual Page x86_64-linux-gnu-gcc-nm-11 (1) Linux Manual Page x86_64-linux-gnu-gcc-ranlib-7 (1) Linux Manual Page x86_64-linux-gnu-gcov-8 (1) Linux Manual Page x86_64-linux-gnu-gcov-tool-11 (1) Linux Manual Page x86_64-linux-gnu-gfortran-8 (1) Linux Manual Page