歴史的に roff 言語 は troff と呼ばれている。troff はどちらかと言えば古くからの機能に対して適用されるという 傾向があり、それに対して、 groff は GNU 拡張に重きを置いている。
関連コマンド
| コマンド | 概要 |
|---|---|
| troff | the troff processor of the groff text formatting system. |
| nroff | use groff to format documents for TTY devices. |
| eqn geqn |
format equations for troff or MathML. eqn, which is part of the groff document formatting system. eqn compiles descriptions of equations embedded within troff input files into commands that are understood by troff. Normally, it should be invoked using the -e option of groff. |
| neqn | invokes the eqn(1) command with the ascii output device. |
| pic gpic |
which is part of the groff document formatting system. pic compiles descriptions of pictures embedded within troff or TeX input files into commands that are understood by TeX or troff. |
| tbl gtbl |
format tables for troff. tbl compiles descriptions of tables embedded within troff input files into commands that are understood by troff. |
| grog | guess options for a following groff command. |
| lexgrog | is an implementation of the traditional “groff guess” utility in lex. |
| grops | PostScript driver for groff. |
| grotty | groff driver for typewriter-like devices. |