groff(7) - phpMan

gnroff (1)           - emulate nroff command with groff
groff (1)            - front-end for the groff document formatting system
grops (1)            - PostScript driver for groff
grotty (1)           - groff driver for typewriter-like devices
gsoelim (1)          - interpret .so requests in groff input
gtroff (1)           - the troff processor of the groff text formatting system
nroff (1)            - emulate nroff command with groff
soelim (1)           - interpret .so requests in groff input
troff (1)            - the troff processor of the groff text formatting system
zsoelim (1)          - interpret .so requests in groff input