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(groff)Invoking groff

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Invoking `groff'
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   This section focuses on how to invoke the `groff' front end.  This
front end takes care of the details of constructing the pipeline among
the preprocessors, `gtroff' and the postprocessor.

   It has become a tradition that GNU programs get the prefix `g' to
distinguish it from its original counterparts provided by the host (see
Note: Environment, for more details).  Thus, for example, `geqn' is
GNU `eqn'.  On operating systems like Linux or the Hurd, which don't
contain proprietary software, and on MS-DOS/MS-Windows, where `troff'
and associated programs are not available at all, this prefix is
omitted since GNU `troff' is the only used incarnation of `troff'.
Exception: `groff' is never replaced by `roff'.

Groff Options

Environment

Invocation Examples