.TH PR 1 .SH NAMEpr  \-  print file.SH SYNOPSIS.B pr[ option ] ...[ file ] ....SH DESCRIPTION.I Prproduces a printed listing of one or more.I files.The output is separated into pages headed by a date,the name of the file or a specified header, and the page number.If there are no file arguments,.I prprints its standard input..PPOptions apply to all following files but may be resetbetween files:.TP.BI \- nProduce.IR n -columnoutput..TP.BI + nBegin printing with page.I  n..TP.B  \-hTake the next argument as a page header..TP.BI \-w nFor purposes of multi-column output,take the width of the page to be.I ncharacters instead of the default 72..TP.BI \-l nTake the length of the page to be.I nlines instead of the default 66..TP.B  \-tDo not print the 5-line header or the5-line trailer normally supplied for each page..TP.BI \-s cSeparate columns by the single character.I cinstead of by the appropriate amount of white space.A missing.I cis taken to be a tab..TP.B  \-mPrint all.I filessimultaneously,each in one column,.PPInter-terminal messages via.IR write (1)areforbidden during a.IR pr ..SH FILES/dev/tty?to suspend messages..SH "SEE ALSO"cat(1).SH DIAGNOSTICSThere are no diagnostics when.I pris printing on a terminal.