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The Lounge What is on Your Mind? Technology Illustrated Concept Architecture of Unix Systems Post 302710447 by drl on Thursday 4th of October 2012 01:05:17 PM
Old 10-04-2012
Hi.

For the topic of how components fit together, I preferred an O'Reilly graphic from Power Tools, rather than the onion for training in *nix -- see Figure 1.1 on page 8 (click Browse Contents button on top of book image) at Unix Power Tools, 3rd Edition-O'Reilly Media or see page 5 of the really long PDF O'reilly Unix Unix Power Tools (5.6 Mb) PDF Ebook Download

(I'm not sure I can post it directly from O'Reilly or from the pdf for legal reasons, there may be other sources, and it's possible that O'Reilly might not mind, but I just don't know.)

It was better for me in the pedagogical sense, because I could start with the User block on the whiteboard, and develop the diagram as the topic unfolded. Not much drawing skill was required, thankfully.

One could then discuss development, libraries, etc. -- very open-ended -- with simple block diagrams. Having the students do the drawing as we talked and answered questions helped them see and internalize the big picture -- which is what we called that section ... cheers, drl

Last edited by drl; 10-10-2012 at 08:45 AM..
 

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PDF2DSC(1)							 Ghostscript Tools							PDF2DSC(1)

NAME
pdf2dsc - generate a PostScript page list of a PDF document SYNOPSIS
pdf2dsc input.pdf [ output.dsc ] DESCRIPTION
pdf2dsc uses gs(1) to read an Adobe Portable Document Format (PDF) document "input.pdf" and create a PostScript(tm) document "output.dsc" that conforms to Adobe's Document Structuring Conventions (DSC) requirements. This new document simply tells Ghostscript to read the PDF file and to display pages one at a time. The generated document can then be viewed with any PostScript viewer based on Ghostscript, like ghostview(1) on Unix or GSview on Windows, with which the user can browse through the pages of the PDF document in any order. If no output file is named on the command line, the name of the output file is that of the input file with any extension removed, followed by the extension ".dsc". CAVEATS
The DSC document uses Ghostscript-specific procedures. In addition, the original PDF document must be accessible when the DSC document is processed. You need the file "pdf2dsc.ps" (originally by Russell Lang) supplied with Ghostscript since release 3.53. SEE ALSO
gs(1), ghostview(1) VERSION
This document was last revised for Ghostscript version 8.70. AUTHOR
Yves Arrouye <yves.arrouye@usa.net> and Russell Lang gsview at ghostgum.com.au 8.70 31 July 2009 PDF2DSC(1)
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