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<TITLE>Developer.com - Online Reference Library - 0672311739:RED HAT LINUX 2ND EDITION:Printing with Linux</TITLE>

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<!-- ISBN=0672311739 //-->

<!-- TITLE=RED HAT LINUX 2ND EDITION //-->

<!-- AUTHOR=DAVID PITTS ET AL //-->

<!-- PUBLISHER=MACMILLAN //-->

<!-- IMPRINT=SAMS PUBLISHING //-->

<!-- PUBLICATION DATE=1998 //-->

<!-- CHAPTER=12 //-->

<!-- PAGES=0229-0242 //-->

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<A NAME="PAGENUM-240"><P>Page 240</P></A>











<H4><A NAME="ch12_ 22">





pbm Utilities

</A></H4>









<P>To translate or manipulate your graphics files into a multitude of different formats or

effects for printing, try one of Jef Poskanzer's numerous

pbm utilities. At last count there were nearly 40 different programs. See the

pbm man page for pointers.

</P>









<H4><A NAME="ch12_ 23">





Ghostview

</A></H4>









<P>Although most of the convenience of having PostScript documents print automagically on

cheap inkjet printers under Linux is due to Aladdin Enterprises' interpreter,

gs, or Ghostscript, Tim Theisen's X client, Ghostview is another one of those &quot;insanely great&quot; programs that come

with nearly every Linux distribution.

</P>









<P>You can use Ghostview to preview or print .ps files. This program features multiple levels

of magnification, landscape and portrait modes, and prints PostScript files too.

</P>









<H3><A NAME="ch12_ 24">

For More Information

</A></H3>









<P>See the man pages for tunelp, printcap, lpd,

lpr, lpq, lprm, and lpc. Curiously, there is no man page for the

printtool program, but its Help menu shows some general information

and troubleshooting tips.

</P>









<P>Information on how to use APSfilter is under

aps/doc in a number of files.

</P>









<P>For information about the BSD printing system, read Ralph Campbell's abstract &quot;4.3BSD

Line Printer Spooler Manual,&quot; which is part of the 4.4BSD

System Manager's Manual, tabbed section 7.

</P>









<P>For an excellent introduction to LPRng, see Patrick Powell's abstract &quot;LPRng&#151;An

Enhanced Printer Spooler.&quot; This 13-page document, in PostScript or text format, includes the

history, architecture, configuration, operation, and algorithm of the spooler software. You can find

it at <a href="http://ltpwww.gsfc.nasa.gov/ltpcf/about/unix/depotdoc/lprng">http://ltpwww.gsfc.nasa.gov/ltpcf/about/unix/Depotdoc/LPRng</A>

or look at the files Intro.txt or Intro.ps in the

DOC directory of the LPRng sources.

</P>









<P>To join the LPRng mailing list, send a subscribe message to

plp-request@iona.com.

</P>









<P>For detailed information about printing under Linux, you'll need to read The Linux

Printing HOWTO by Grant Taylor. The Linux Printing HOWTO contains a host of great tips,

tricks, traps, and hacks concerning printing under Linux, including setups for serial printers,

and network printing.

</P>









<P>Also read The Linux Printing Usage HOWTO, by Mark Komarinski, under

/usr/doc.

</P>









<P>And don't forget to peruse the following newsgroups for information about printers,

PostScript, or Linux printing:

</P>

<!-- CODE SNIP //-->

<PRE>

comp.lang.postscript

comp.laser-printers

comp.os.linux.hardware

</PRE>

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<A NAME="PAGENUM-241"><P>Page 241</P></A>





<!-- CODE SNIP //-->

<PRE>

comp.os.linux.setup

comp.periphs.printers

comp.sources.postscript

comp.sys.hp.hardware

</PRE>

<!-- END CODE SNIP //-->









<H3><A NAME="ch12_ 25">

Summary

</A></H3>









<P>In this chapter, you've learned about Linux printer devices and how to print simple files.

I've also shown you the RHS Linux Print System Manager and some Linux printing

commands for simple formatting of text files. Hopefully, you'll also try some of the other printer

programs and filters. Use this chapter's information as a starting point to explore the printing features

of Red Hat Linux, and push your printer to the max!

</P>



<A NAME="PAGENUM-242"><P>Page 242</P></A>













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