About: TJ-2

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TJ-2 (Type Justifying Program) was published by Peter Samson in May 1963 and is thought to be the first page layout program. Although it lacks page numbering, page headers and footers, TJ-2 is the first word processor to provide a number of essential typographic alignment and automatic typesetting features: * Columnation, indentation, margins, justification, and centering * Word wrap, page breaks and automatic hyphenation * Tab stop simulation A similar program for the ITS PDP-6 and later the PDP-10 was TJ6.

Attributes	Values
rdf:type	Thing software schema:CreativeWork work wikidata:Q386724 Software yago:WikicatWordProcessors yago:Abstraction100002137 yago:Application106570110 yago:Code106355894 yago:CodingSystem106353757 yago:Communication100033020 yago:Program106568978 yago:WordProcessor106572654 yago:Writing106359877 yago:WrittenCommunication106349220 yago:Software106566077
rdfs:label	TJ-2 (en)
rdfs:comment	TJ-2 (Type Justifying Program) was published by Peter Samson in May 1963 and is thought to be the first page layout program. Although it lacks page numbering, page headers and footers, TJ-2 is the first word processor to provide a number of essential typographic alignment and automatic typesetting features: * Columnation, indentation, margins, justification, and centering * Word wrap, page breaks and automatic hyphenation * Tab stop simulation A similar program for the ITS PDP-6 and later the PDP-10 was TJ6. (en)
foaf:name	TJ-2 (en)
foaf:homepage	http://www.computerhistory.org/pdp-1/
name	TJ-2 (en)
foaf:depiction
dcterms:subject	Typesetting Text editors Typesetting software Word processors Desktop publishing software History of software
Wikipage page ID	5593464 (xsd:integer)
Wikipage revision ID	1043551091 (xsd:integer)
Link from a Wikipage to another Wikipage	Roff (computer program) Peter Samson Undo Unix Desktop publishing Typographic alignment Light pen Typesetting Compatible Time-Sharing System Massachusetts Institute of Technology Multics Colossal Typewriter Column (typography) Tab stop Text editors Typesetting software Expensive Typewriter PDP-1 PDP-10 PDP-6 Word processor Text editor Page footer Word processors Hyphen Desktop publishing software History of software Justification (typesetting) TYPSET and RUNOFF Digital Equipment Corporation Incompatible Timesharing System Indentation (typesetting) Page header Margin (typography) Typesetting Cathode-ray tube Page layout Page break Page numbering Runoff (program) Word wrap Text Editor and Corrector dbr:Wikt:oops
Link from a Wikipage to an external page	http://www.computerhistory.org/pdp-1/ http://video.google.com/videoplay%3Fdocid=4995476926708958999&q=computer+history+dec http://www.dpbsmith.com/tj2.html
sameAs	TJ-2 TJ-2 TJ-2 TJ-2
dbp:wikiPageUsesTemplate	dbt:Anchor dbt:Cite_video dbt:Cite_web dbt:Infobox_software dbt:Reflist dbt:Start_date_and_age dbt:Word_processors
thumbnail	wiki-commons:Special:FilePath/TJ-2_memo_from_p2.jpg?width=300
author	Peter Samson
caption	Memo: TJ-2: Type Justifying Program (en)
genre	Page layout
platform	PDP-1
screenshot	TJ-2 memo from p2.jpg (en)
website	http://www.computerhistory.org/pdp-1/
has abstract	TJ-2 (Type Justifying Program) was published by Peter Samson in May 1963 and is thought to be the first page layout program. Although it lacks page numbering, page headers and footers, TJ-2 is the first word processor to provide a number of essential typographic alignment and automatic typesetting features: * Columnation, indentation, margins, justification, and centering * Word wrap, page breaks and automatic hyphenation * Tab stop simulation Developed from two earlier Samson programs, Justify and TJ-1, TJ-2 was written for the PDP-1 that was donated to the Massachusetts Institute of Technology in 1961 by Digital Equipment Corporation. Taking English text as input, TJ-2 aligns left and right margins, justifying the output using white space and word hyphenation. Text is marked-up with single lowercase characters combined with the PDP-1's overline character, carriage returns, and internal concise codes. The computer's six toggle switches control the input and output devices, enable and disable hyphenation and stop the session. Words can be hyphenated with a light pen on the computer's CRT display and from the session's dictionary in memory. On-screen hyphenation has SAVE and FORGET commands and OOPS, the undo. Comments in the code were quoted thirty years later: "The ways of God are just and can be justified to man" and "Girls who wear pants should be sure that the end justifies the jeans." TJ-2 was succeeded by TYPSET and RUNOFF, a pair of complementary programs written in 1964 for the CTSS operating system. TYPSET and RUNOFF soon evolved into runoff for Multics, which was in turn ported to Unix in the 1970s as roff. A similar program for the ITS PDP-6 and later the PDP-10 was TJ6. (en)
screenshot alt	Part of Samson's typewritten memo describing TJ-2 (en)
dbp:wordnet_type	http://www.w3.org/2006/03/wn/wn20/instances/synset-software-noun-1

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