Name grog - “groff guess”—infer the groff command a document requires Synopsis grog [ --run ] [ --ligatures ... groff-option ...] [ -- ] [ file ...] grog -h grog --help grog -v gro…systems can be avoided. Use the grog (1) program to infer an appropriate groff command ... between a pair of roff input files. grog (1) infers the groff command a documentName grops - groffName grotty - groff