Extension: Definition and additional resources from ZDNet

(1) See domain extension.

(2) A program module that adds functionality to an application or system program. For example, program modules that add capabilities to the Firefox browser are actually called "extensions" (see Firefox extension). The same type of add-on module in the Photoshop image editor is called a "plug-in" (see Photoshop plug-in).

Executable modules that enhance the Mac operating system are called "extensions," while enhancements to the Windows OS are called "dynamic link libraries" (see DLL).

Reproduced with permission from Computer Desktop Encyclopedia.
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Additional Resources

Surf Canyon for Firefox (xpi): Ever wonder if there is anything useful past page one of the search results? When your search returns thousands, sometimes millions, of results, there has to be something good out there. There is, and Surf Canyon will go and get it for you. It is a tiny browser extension that...; Tags: Craigslist, Mozilla Firefox, Search Result, Surf Canyon, Web Browsers, Search, Internet; Software downloads 2008-07-02
HSBC sites vulnerable to XSS flaws, could aid phishing attacks: What would the perfect phishing attack from a social engineering perspective? The one that compared to using typosquatted domains impersonating the bank's web application directory structure is in fact using the bank's legitimate domain names as redirectors due to XSS flaws within. It's even more interesting to measure the average...; Tags: Bank, Vulnerability, XSS, Flaw, Phishing, Cyberthreats, Financial Services, Security, Viruses And Worms, Spam And Phishing, Dancho Danchev; Blog posts 2008-06-29
Firefox and Thunderbird phone home daily: Firefox and Thunderbird phone home dailyReally? What does Windowssend to MS everyday?IP address?What time you were using the product?What exact version number you were using?If you are using any of the plugins or addons sent in the disabled list?Total number of active users of their software?Problem isother companies like Apple...; Tags: Web browsers, Mozilla Firefox, Thunderbird phone home, phone home, Mozilla Corp., Mozilla Thunderbird, phone; Discussion threads 2008-06-26
Chrysler to offer Wi-Fi in 2009 autos: How about a router for your car? The Los Angeles Times is reporting that Chrysler will announce today that it will offer Internet access in its 2009 Chrysler, Dodge, and Jeep models. As someone who has been chided for texting while driving, I'm not...; Tags: Chrysler LLC, Wireless LANs, Manufacturing, Routers & Switches, Wi-Fi, Wireless, Networking, Rik Fairlie; Blog posts 2008-06-26
Nokia rolls out over-the-air firmware updates with the N78 release: Nokia rolls out over-the-air firmware updates with the N78 releaseIz Nice"and even just connected via my T-Mobile EDGE connection."Yep. I use my N95 with Asterisk PBX at home and remotely as a phone extension over an AT&T data bearer plan.My better half Wifey reaches me by dialing a 4-digit...; Tags: over-the-air firmware update, N78, Nokia Corp.; Discussion threads 2008-06-25

Mozilla's Download Day - One week on: Mozilla's Download Day - One week onImage URL is BrokenWhen you click it tries to go tohttp://www.http.com//blogs.zdnet.com/hardware/images/firefox_3_download_day_one_week_on.pngIf you remove the http://www.http.com// it works.As for the artical, one thing I noticed is that if you are using FF2, it wont show FF3 as being an available update (or it didnt last...; Tags: Web browsers, Image URL, FF3, Download Day, CAD, Mozilla Corp.; Discussion threads 2008-06-25
IE Open Last Closed Tab (exe): IE Open Last Closed Tab is an extension for Internet Explorer that makes "Alt+X" re-open the last closed tab Web site. This is very useful when you accidentally close a Web site that you didn't mean to close. Instead of trying to find it in your browser history, you hit...; Tags: Microsoft Internet Explorer, Web Site, MuvEnum, IE Open Last Closed Tab, Web Browsers, Web Site Development, Internet; Software downloads 2008-06-25
IE Alias (exe): Create aliases to open single or multiple Web sites, folders, and files when typed into the Internet Explorer address bar. As an example, we type "n" in our address bar, hit enter, and all of our favorite news pages are automatically opened. A simple and effective way to reduce the...; Tags: Address Bar, Microsoft Internet Explorer, MuvEnum, Web Browsers, Internet; Software downloads 2008-06-25
What works, what doesn't: What works, what doesn'tYou forgot an important pointThat is, once any software base finally stabilizes, force an upgrade to a new super shiny alpha implementation down everybody's throats. This is called the bullsiht baffles brains scenario.Rough figures that I've come across are that 80% of people aren't really capable of...; Tags: Cellular phones, Telecom & Utilities, Asterisk PBX, cell phone, phone; Discussion threads 2008-06-24
Developers criticize Nvidia, other holdouts for hindering Linux desktop: Developers criticize Nvidia, other holdouts for hindering Linux desktopInteresting[i]We have repeatedly found them to be detrimental to Linux users, businesses and the greater Linux ecosystem,” the letter stated. “Such modules negate the openness, stability, flexibility and maintainability of the Linux development model and shut their users off from the expertise...; Tags: UNIX, OPEN SOURCE, Operating systems, Desktops, Linux desktop, Nvida, desktop, EXT, NVidia Corp., Linux, ATI Technologies Inc.; Discussion threads 2008-06-23
I am Batman: I am Batmanre: I am BatmanIf I understand this correctly... they'll pay for your Phone usage but not your data, correct? First off, I'd say that's odd in this day and age. Usually I see that companies pay for Both or None.In any case, it sounds like you're...; Tags: Telecom & Utilities, Handhelds, Cellular phones, dork, Batman, phone, RIM BlackBerry, belt; Discussion threads 2008-06-23
Nightly Tester Tools (xpi): This extension adds a few extras useful to those that regularly test nightly builds of Firefox, Thunderbird, Sunbird and Toolkit Seamonkey Suiterunner. The following is a brief list of the extension's features: Extension compatibility fixing; Titlebar customisation; Build ID retrieval; Screenshots; Breakpad information; Restoring tabs from previous session; and Leak...; Tags: Tool, Extension, Dave Townsend, E-mail Clients, Web Browsers, Productivity, Software, Internet; Software downloads 2008-06-21
Cell phone as desktop computer: This is a bit of a crazy idea, but it constitutes part of the reason I keep harping on about the importance of full-blown desktop operating systems in cell phones. Yes, it creates developer consistency, meaning that the same skills used to develop apps for desktop computers map directly to...; Tags: Desktop, Phone, Mobile, Cell Phone, Microsoft Corp., Computer, Desktop Computer, Microsoft Windows, Telecom & Utilities, Cellular Phones, Operating Systems, Software, Consumer Electronics, Personal Technology, John Carroll; Blog posts 2008-06-20
Wiretapping: This was no time for a compromise: Wiretapping: This was no time for a compromiseThis was not a compromise...it was a SELL-OUT.RE: Wiretapping: This was no time for a compromiseHardly a compromise. And hardly adequate. You admit it yourself -- seven years with no attack, and just because the White House didn't invite you personally to...; Tags: Republic, 9/11 commission; Discussion threads 2008-06-19
So what about mobile labs?: So here's another scenario for you. As we explore options for our elementary schools, it occurred to me that we have three major problems in our facilities: space, power, and infrastructure. The existing labs are quite cramped with kids doubled up on computers and little room...; Tags: Lab, Mobile, Advertising & Promotion, Notebooks, Marketing, Hardware, Notebooks & Tablets, Christopher Dawson; Blog posts 2008-06-19
SideSlide (zip): SideSlide is an advanced, unobtrusive, dockable, skinnable, instantly accessible, highly configurable Desktop Extension on Steroids. SideSlide will help you to finally clean desktop clutter and will make your computer friendlier and faster than ever before. Version 2.4.09b has many new features, changes, and bug fixes.; Tags: NorthGlide, SideSlide, Desktops, Hardware; Software downloads 2008-06-19
Preliminary autopsy results on Mozilla's Download Day ...: Preliminary autopsy results on Mozilla's Download Day ...It was even betterThis morning it appeared in the repository and my machine just downloaded it automatically, no need to go to the Firefox website whatsoever....RE: Preliminary autopsy results on Mozilla's Download Day ..."Why is Firefox "so good""well its sleek and its got...; Tags: Web browsers, download counter, Download Day, Preliminary autopsy, autopsy, Mozilla Firefox, address bar, Mozilla Corp., Mozilla Firefox 3.0; Discussion threads 2008-06-18
Creative DW Image Show Pro (zip): Creative DW Image Show Pro is a Dreamweaver extension which enables the user to create multimedia presentations. It combines the features of the popular Creative DW Image Show with the ability to add professional text effects to slides similar to After Effects. The product is very customizable: the user can...; Tags: Extend Studio; Software downloads 2008-06-18
Linefeed (exe): If you downloaded a file to a Windows computer that appears as though it has no carrage returns and line feeds. this tool may fix that. This program will convert files to have Windows style CRLF line feeds. Occurances of CRLF are left alone. LFCR's are converted to CRLF's. CR's...; Tags: File, Christopher Barnes, CRLF, LFCR, CR, LF, Microsoft Windows, Productivity, Operating Systems, Software; Software downloads 2008-06-18
NetVideoHunter (xpi): NetVideoHunter is a Firefox add-on extension, with you can download videos and music from all YouTube-like video-sharing site. Download for example from: Youtube, MySpace Music, Metacafe, Google Video, Dailymotion, Veoh, and Vimeo. This version is the first release on CNET Download.com.; Tags: YouTube Inc., Video, NetVideoHunter, Corporate Communications, Marketing; Software downloads 2008-06-18