C 0. Chris Plaintail 2015 1 / 29
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Subject: ( ) To: ( ) Chris Plaintail <aaa@bbb.ccc> aaa@bbb.ccc From: ( ) 14 / 29
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sender@sender.jp receiver@rec.jp SENDER :sender@sender.jp RECEIVER :receiver@rec.jp sender:sender@sender.jp receiver:receiver@rec.jp To: RECEIVER <receiver@rec.jp> From: SENDER <sender@sender.jp> Subject:... To: receiver <receiver@rec.jp> From: sender <sender@sender.jp> Subject:... 16 / 29
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Google Yahoo! Google Maps Google Trends Google Books Web Browser StatCounter The Top 500 Worst Passwords of All Time 22 / 29
OPAC CiNii Books CiNii Articles Gallica Google books Project Gutenberg (.epub,.mobi) (.ebk) 23 / 29
Wikipedia Oxford English Dictionaries 11th Edition of the Encyclopedia Britanica Project Gutenberg Encyclopedia Britanica e-stat JEITA JBA... 24 / 29
Project Gutenberg 1 2 3 4 5 ] 6... 25 / 29
download, install, Windows,... (FSF) GNU (GPL) SourceForge 26 / 29
(.exe) (.zip,.lzh,.tar.gz) PATH, HOME 27 / 29
GNU Audacity, Blender, Celestia, Stellarium, GIMP, Gnumeric(, GNU Octave, Emacs,..) Cygwin, gnuplot, POV-Ray, Inkscape, sakura editor, (Ghostscript/Ghostview, LaTeX...) 28 / 29
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