.TH TROFF 1 .SH NAMEtroff, nroff \- text formatting and typesetting.SH SYNOPSIS.B troff[ option ] ...[ file ] ....PP.B nroff[ option ] ...[ file ] ....SH DESCRIPTION.I Troffformats text in the named.I filesforprinting on a Graphic Systems C/A/T phototypesetter;.I nrofffor typewriter-like devices.Their capabilities are described in the.I Nroff/Troff user's manual..PPIf no.I fileargument is present, the standard input is read.An argument consisting of a single minus.RB ( \- )is taken to bea file name corresponding to the standard input.The options, which may appear in any order so long as they appearbefore the files, are:.TP "\w'\f3\-m\f1name 'u".BI \-o listPrint only pages whose page numbers appear inthe comma-separated.I listof numbers and ranges.A range.IB N \- Mmeans pages.I Nthrough.IR M ;an initial.I \-Nmeansfrom the beginning to page.IR N ;and a final.IR N \-meansfrom.I Nto the end..TP.BI \-n NNumber first generated page.IR N ..TP.BI \-s NStop every.I Npages..I Nroffwill halt prior to every.I Npages (default.IR N =1)to allow paper loading orchanging, and will resume upon receipt of a newline..I Troffwill stop the phototypesetter every.I Npages,produce a trailer to allow changing cassettes,and resume when the typesetter's start button is pressed..TP.BI \-m namePrepend the macro file.BI /usr/lib/tmac/tmac. nameto the input.IR files ..TP.BI \-r aNSet register.I a(one-character) to.IR N ..TP.B \-iRead standard input after the input files are exhausted..TP.B \-qInvoke the simultaneous input-output mode of the.B rdrequest..HP.bd I 3.I Nroff only.br.bd I.TP.BI \-T namePrepare output for specified terminal.Known.I namesare.B 37for the (default) Teletype Corporation Model 37 terminal,.B tn300for the GE TermiNet\ 300 (or any terminal without half-linecapability),.B 300Sfor the \s-1DASI\s+1-300S,.B 300for the \s-1DASI\s+1-300,and.B 450for the \s-1DASI\s+1-450(Diablo Hyterm)..TP.B \-eProduce equally-spaced words in adjustedlines, using full terminal resolution..TP.B \-hUse output tabs during horizontal spacingto speed output and reduce output character count.Tab settings are assumed to be every8 nominal character widths..HP.bd I 3.I Troff only.br.bd I.TP.B \-tDirect output to the standard output insteadof the phototypesetter..TP.B \-fRefrain from feeding out paper and stoppingphototypesetter at the end of the run..TP.B \-wWait until phototypesetter is available, ifcurrently busy..TP.B \-bReport whether the phototypesetteris busy or available.No text processing is done..TP.B \-aSend a printable ASCII approximationof the results to the standard output..TP.BR \-p NPrint all characters in point size.I  Nwhile retaining all prescribed spacings and motions,to reduce phototypesetter elasped time..TP.B \-gPrepare output for a GCOSphototypesetter and direct it to the standard output(see.IR gcat (1))..PPIf the file.I /usr/adm/tracctis writable,.I troffkeeps phototypesetter accounting records there.The integrity of that file may be secured by making.I troffa `set user-id' program..SH FILES.ta \w'/usr/lib/tmac/tmac.*  'u/usr/lib/suftab	suffix hyphenation tables.br/tmp/ta*	temporary file.br/usr/lib/tmac/tmac.*	standard macro files.br/usr/lib/term/*	terminal driving tables for.I nroff.br/usr/lib/font/*	font width tables for.I troff.br/dev/cat	phototypesetter.br/usr/adm/tracct	accounting statistics for /dev/cat.SH "SEE ALSO"J. F. Ossanna,.I Nroff/Troff user's manual.brB. W. Kernighan,.IA TROFF Tutorial.breqn(1), tbl(1).brcol(1), tk(1).RI ( nroffonly).brtc(1), gcat(1).RI ( troffonly)