# DITA-OT troff plugin The troff transformation produces output for use with the troff viewer on Unix-style platforms, particularly for programs such as the man page viewer. Compatibility ------------- - DITA-OT 3.1 Installation ------------ Standard DITA-OT plug-in installation, see [DITA-OT documentation](http://www.dita-ot.org/3.1/topics/plugins-installing.html). ```shell $ dita -install https://github.com/dita-ot/org.dita.troff/archive/3.1.1.zip ``` ## License The DITA Open Toolkit is licensed for use under the [Apache License 2.0][6]. [6]: http://www.apache.org/licenses/LICENSE-2.0