# troff > Typesetting processor for the groff (GNU Troff) document formatting system. > See also `groff`. > More information: . - Format output for a PostScript printer, saving the output to a file: `troff {{path/to/input.roff}} | grops > {{path/to/output.ps}}` - Format output for a PostScript printer using the [me] macro package, saving the output to a file: `troff -{{me}} {{path/to/input.roff}} | grops > {{path/to/output.ps}}` - Format output as [a]SCII text using the [man] macro package: `troff -T {{ascii}} -{{man}} {{path/to/input.roff}} | grotty` - Format output as a [pdf] file, saving the output to a file: `troff -T {{pdf}} {{path/to/input.roff}} | gropdf > {{path/to/output.pdf}}`