Editing Roff (software) (section)

{{Short description|Text typesetting markup software}}
{{more footnotes|date=February 2013}}
{{lowercase|title=roff}}
{{Infobox software
| name                   = roff
| logo                   = 
| screenshot             = 
| screenshot size        = 
| caption                = 
| author                 = [[Joe Ossanna]], [[Ken Thompson]]
| developer              = [[AT&T Bell Laboratories]]
| released               = {{Start date and age|1971|11|3}}
| latest release version = 
| latest release date    = 
| operating system       = [[Unix]] and [[Unix-like]]
| genre                  = [[Command (computing)|Command]]
| license                = 
| website                = 
}}
'''roff''' is a [[typesetting]] [[markup language]]. As the first [[Unix]] [[text-formatting]] [[computer program]], it is a predecessor of the [[nroff]] and [[troff]] document processing systems.<ref name=":0">{{Cite book |last=Shotts |first=William E. |title=The Linux command line: a complete introduction |date=2019 |publisher=No Starch Press |isbn=978-1-59327-953-0 |edition=2 |location=San Francisco}}</ref>{{Rp|page=290}} 

Roff was a Unix version of the [[runoff (program)|runoff]] text-formatting program from [[Multics]], which was a descendant of [[RUNOFF]] for [[Compatible Time-Sharing System|CTSS]] (the first computerized text-formatting application). <ref name=":0" />