Some pages have pop-ups: I recomment that you download the google toolbar from http://toolbar.google.com

Windows 95/98/ME:

http://www.winguides.com/registry/tweaks.php/Windows98/
http://www.putergeek.com/windows_98/
http://www.xs4all.nl/~laar2002/tweak_tips.html
http://www.xp-smoker.com/98smoker.html
http://www.annoyances.org/
http://www.careyholzman.com/win98_tips.htm
http://www.tweakzone.nl/tweaks/cat/3
http://www.passtheshareware.com/r-
http://www.mvps.org/serenitymacros/win98.html
http://users.accesscomm.ca/gbraun/w98/
http://www.techbargains.com/hottips/hottip9/index.cfm
http://www.showshown.com/clean-install/ (Clean install for Win98 )

Registry:

http://www.winguides.com/registry/
http://www.speedguide.net/read_articles.php?id=119
http://www.askmarvin.ca/os/win98.htm (Cable Modem Registry tweaks)
http://www.windowsgalore.com/windows...try_tweaks.htm
http://www.wintrouble.net/discus/mes...html?976118604
http://www.activewin.com/tips/reg/index.shtml
http://www.5starsupport.com/resources/98.htm
http://www.easydesksoftware.com/tips.htm
http://freewwwtools.org/window-registry-tweaks-tips.htm
http://members.accessus.net/~090/awh/winmetip.html

Hidden Stuff:

http://aroundcny.com/technofile/texts/tec042698.html
http://www.mdgx.com/secrets.htm (MS-DOS)
http://www.billssite.com/xptip1.htm (98/ME/XP)
http://www.andyrathbone.com/tips/xphelphid.html (XP Hidden features)
http://www.1000files.com/Utilities/S...58_Review.html (XP Booster)
http://www.aarp.org/computers-featur...treasures.html
http://www.half-assed.net/showpage.asp?MyPageID=75
http://www.compukiss.com/sandyclassr...article604.htm (XP Hidden treasures)

Windows XP:

http://www.tweakxp.com/
http://www.dougknox.com/
http://www.kellys-korner-xp.com/xp.htm
http://www.blackviper.com/WinXP/supertweaks.htm
http://www.windowsxpatoz.com/ (A-Z Tips and Tricks)
http://www.winguides.com/windowsxp/ (tweak Guide)
http://members.aol.com/axcel216/wxp.htm
http://www.a1-electronics.net/Genera...psTweaks.shtml (Tips tricks, Tune-ups etc...)
http://www.tweakhound.com/xp/WindowsXP.htm
http://www.updatexp.com/windows-xp-tweaks.html (2004)
http://www.tweakinternals.com/ (hidden XP performance settings)
http://www.extremetech.com/print_art...a=19543,00.asp
http://www.theeldergeek.com/registry_edits.htm (REGISTRY)
http://www.windows-tweaks.info/html/windowsxp.html (german)
http://www.cae.wisc.edu/fsg/winxp/winxp-tweaks.html
http://www.mvps.org/sramesh2k/ Fixes Tips and tweaks
http://www.magellass.com/ Windows XP Tweaks & Internet Optimizer software
http://www.totalidea.com/frameset-tweakxp.htm
http://www.tweakingtoolbox.com/tt-xp/
http://www.neoseeker.com/Articles/Ha...es/winxptweak/ (tweaking Guide)
http://www.pcworlddownload.com/syste...d-XP-Tweak.htm (advanced Xp tweaks)
http://www.speedguide.net/read_articles.php?id=157 (2000/XP Registry)
http://www.updatexp.com/registry-tweaks.html
http://www.technobabble.com.au/techn...s/registry.htm (Handy Registry tweaks)
http://www.pcstats.com/articleview.cfm?articleID=1494 (beginners guide 101)
http://www.microsoft.com/WindowsXP/e...tt/03may05.asp {tweaking XP Desktop}
http://aaronserv.dyndns.org/computers/tweak/
http://www.auldfart.co.uk/tweaks.html Windows NT/2000/ME/9x and XP
REGISTRY TWEAKS

Linux:

http://www.patoche.org/LTT/
http://www.linux-france.org/article/ltt/ (French)
http://www.geek.com/tipstrix/linuxtrix.htm
http://www.linux.org.uk/~telsa/BitsA...er-tweaks.html (browser tweaks)
http://www.desktop-linux.net/font-tweaks.htm Mozzila Font Tweaks KDE
http://www.shallowsky.com/linux/rh7-tweaks.html (redhat 7.0)
http://www.mandrake.tips.4.free.fr/learninglinux.html <-- Mandrake
http://linuxtoday.com/infrastructure...31103126RVMDSW mandrake 10
http://www.jennings.homelinux.net/tips.html
http://www.uwsg.iu.edu/hypermail/lin...09.3/0625.html VM in 2.4.10(+tweaks) vs. 2.4.9-ac14/15(+stuff)
http://www.linuxsecurity.com/resourc...cklist.en.html {Debian}
http://www.j79zlr.com/linux/index.php?page=kernel (Upgrading to the 2.6.0 kernel)
http://www.kernel.org/pub/linux/kern...ex_Tweaks.html Minor Futex Tweaks
http://lists.suse.com/archive/suse-l...-Jan/1738.html (SUSE)
http://www.ars-technica.com/linux/re...99/suse-1.html (Suse 6 Review)
http://forums.gentoo.org/viewtopic.p...+tips&start=75 (all time favorite GENTOO tips)
http://www.xs4all.nl/~wegewijs/linux...nkpad-A31.html (gentoo documentation)
http://linuxfocus.org/common/src2/ar...ook-2004.0.pdf (installing gentoo PDF File)
http://www.mrbass.org/linux/
http://my.opera.com/community/tips/linux/general/ (Opera Tips)
http://www.linuxforum.com/linux-network-boot/x542.html networking tips)
http://www.linuxsa.org.au/tips/command-line-tricks.html (command line tricks
http://katspace.net/computers/linux_tips.php WOW
http://www.ukuug.org/events/linux200...l/slide_1.html (KDE tips and tricks for developers)
http://www.linuxforums.org/forum/viewtopic.php?t=2797 (KDE Basics)
http://reviewed.homelinux.org/quicktips/index.html.en Quick and simple tips for a more productive day
http://www.linux-tip.net/modules.php...ws&new_topic=4
http://www.labdv.com/leon-lab/pc/linux/suse_en.htm (Suse 7.0 Tips and Tricks
http://webpages.charter.net/decibels...uxHelp3_2.html Computer Help for the New and Veteran User for Linux- Long

BSD :

http://librenix.com/?inode=2675
http://forums.sudhian.com/messagevie...threadid=53339 Unix/Linix/BSD/Nix Tips and Tricks (combined ...
http://www.inner-smile.com/bsd.phtml BSD Tips, Tricks, Docs and FAQ's.
http://www.beavton.k12.or.us/vince/netnews/netnews.html Tips and Tricks
from Network News
http://www.defcon1.org/Tips-tricks/tips-tricks.html (Free BSD)
http://people.freebsd.org/~picobsd/small-tips.html For small setups
http://www.opera.com/support/service...atform=freebsd opera
http://results.veoda.com/clean/freebsd%20tips%20.html FreeBSD Tips

Misc :

http://sysunconfig.net/unixtips/solaris.html (Solaris A-Z)
http://www.drunkbastard.com/unixtechtips.html (Unix)
http://www.dns.net/dnsrd/trick.html (DNS Tips and Tricks)
http://www.sun3zoo.de/en/tips+tricks.html (SunOS)
http://tam.cornell.edu/Computer.old/tips.html (X-Windows, Redhat)
http://molpopgen.org/krthornt/GCCSolaris.html (GCC on Solaris)
http://www.lennartz-electronic.de/Pa...nd_Tricks.html (Misc)

Web Languages:

HTML

http://www.web-source.net/html_tips.htm HTML
http://www.bignosebird.com/html.shtml
http://disc.server.com/Indices/109190.html (HTML and Stylesheets)
http://www.webweaver.nu/html-tips/
http://www.jalfrezi.com/frames/ftips.htm
http://texturizer.net/firefox/tips.html (Firefox)
http://sitetipsandtricks.com/
http://webdesign.about.com/cs/tipsandtricks1/ Tips and Tricks with HTML
http://www.imagescape.com/helpweb/www/seek.html (search engines)
http://www.webdevelopersnotes.com/tips/html/index.php3 HTML and Javascript
http://www.sandcastlecentral.com/tips/

PHP

www.lerdorf.com/tips.pdf (PDF)
http://www.thegirliematters.com/tips/archives/php.php
http://talks.php.net/show/lca04
http://madrid.webpipe.net/cgi-bin/ya...board=comm_php
http://fravia.2113.ch/phplab/tipstricks.htm
http://talks.php.net/show/lca04/1
http://www.dmxzone.com/ShowDetail.asp?NewsId=3588

Web Design:

http://www.tips-tricks.com/
http://www.wpdfd.com/wpdtrix.htm
http://www.dsiegel.com/tips/
http://www.see-search.com/webdesign/webdesign.htm
http://www.smartwebby.com/web_site_design/default.asp
http://www.web-source.net/
http://www.smartwebby.com/web_site_d...esign_tips.asp
http://build-website.com/design/ Advanced Web Design
http://www.webdevelopersnotes.com/ti...ign/index.php3
http://www.web-writer.com/tips.htm
http://www.tips-tricks.com/sound.asp (adding sound)
http://www.sitepoint.com/subcat/design-tips?ct=1
http://www.mymommybiz.com/webdesign/ Web Designing Tricks & Techniques for Beginners

Internet :

http://www.chami.com/tips/internet/
http://www.internet-tips.net/
http://www.webnovice.com/tipsntricks.htm
http://windows.about.com/cs/internetexplorer/ (Internet Explorer)
http://www.webdevelopersnotes.com/ti...net/index.php3
http://www.mvps.org/winhelp2002/ietips.htm (customize IE)
http://home.commspeed.net/tips.html
http://www.misitio.ch/ (IE)
http://www.geekgirls.com/net_browser_tips.htm
http://www1.sympatico.ca/help/Learn/...tinternet.html
http://www.wowbrand.com/ (web site marketing tips and tricks)

Photoshop:

http://www.graphic-design.com/Photoshop/
http://web.singnet.com.sg/~seahyh/tips.htm
http://www.netreach.net/~barry/photoshop/
http://hem.passagen.se/stefwest/pstrix.html
http://www.designsbymark.com/
http://www.russellbrown.com/tips/photoshop.html
http://www.adobe.de/products/tips/photoshop.html
http://www.perfectpixels.com/index.cfm?method=photoshop
http://www.desktoppublishing.com/photoshoptips.html
http://www.stablegirl.com/tricks.html
http://www.thedesktop.com/tipstoc.html
http://www.tipsdr.com/adobe-photoshop.html

Macromedia:

http://www.smartwebby.com/web_site_d...works_tips.asp Fireworks
http://webdesign.about.com/cs/dreamweavertips/ Dreamweaver
http://www.unleash.com/tipstricks/ Flash
http://www.softwaretipsandtricks.com...reamweaver.php
http://www.pixel2life.com/tutorials/...t=18&subtut=78
http://www.macromedia.com/support/fr...s_and_tricks1/ Freehand
http://www.katsueydesignworks.com/macromedia_index.htm
http://www.smartwebby.com/web_site_d...orks4_tips.asp
http://www.depts.drew.edu/pubrel/web...and_tricks.htm
http://webdesign.about.com/od/dreamweavertips/

and http://www.activewin.com/tips/index.shtml

Hope this helps somebody. If anyone has any to add, please feel free to do so.

Thank you !

- MemorY