Plan 9 from Bell Labs’s /usr/web/sources/contrib/btdn/src/chem/INSTALL
cp chem /rc/bin/chem ; chmod +x /rc/bin/chem cp chem.awk /sys/lib/chem.awk cp chem.macros /sys/lib/chem.macros cp PS-PEmacros /sys/lib/tmac/tmac.chem
