Classilla is a Gecko Gecko is a layout engine currently developed by Mozilla Corporation, known as the layout engine of the Firefox web browser, Mozilla Application Suite, Nvu, Mozilla Thunderbird and many more. It is designed to support open Internet standards, and is used by applications such as Mozilla Firefox, Camino, Flock, SeaMonkey, K-Meleon, Netscape 9,-based web browser A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web. An information resource is identified by a Uniform Resource Identifier and may be a web page, image, video, or other piece of content. Hyperlinks present in resources enable users to easily navigate their browsers to for PowerPC PowerPC is a RISC architecture created by the 1991 Apple–IBM–Motorola alliance, known as AIM. PowerPC, as an evolving instruction set, has since 2006 been renamed Power ISA but lives on as a legacy trademark for some implementations of Power Architecture based processors-based classic Macintosh systems On January 24, 1984, Apple Computer Inc. introduced the Macintosh personal computer, with the Macintosh 128K model, which came bundled with the Mac OS operating system, then known as the System Software. The Macintosh is often credited with popularizing the graphical user interface. The Mac OS has been pre-installed on almost every Macintosh, essentially an updated descendant of the now-defunct Mozilla Application Suite The Mozilla Application Suite is a cross-platform integrated Internet suite. Its development was initiated by Netscape Communications Corporation, before their acquisition by AOL. It is based on the source code of Netscape Communicator. The development was spearheaded by the Mozilla Organization from 1998 to 2003, and by the Mozilla Foundation by way of the Mac OS port maintained in the now-aborted WaMCom project.^[1] The name is a portmanteau of Classic (the classic Mac OS, as defined by the Classic Environment Classic, or Classic Environment, was a hardware and software abstraction layer in Mac OS X that allowed applications compatible with Mac OS 9 to run on the Mac OS X operating system. The name "Classic" is also sometimes used by software vendors to refer to the application programming interface available to "classic"), and Mozilla Mozilla is a term used in a number of ways in relation to the now-defunct Netscape Communications Corporation and its related application software, including the Mozilla.org group and its successor the Mozilla Foundation.^[2]

Like the Suite it is descended from, Classilla offers E-mail Electronic mail, commonly called email or e-mail, is a method of exchanging digital messages across the Internet or other computer networks. Email systems are based on a store-and-forward model in which email server computer systems accept, forward, deliver and store messages on behalf of users, who only need to connect to the email infrastructure, (POP In computing, the Post Office Protocol is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. POP and IMAP (Internet Message Access Protocol) are the two most prevalent Internet standard protocols for e-mail retrieval. Virtually all modern e-mail clients and/SMTP Simple Mail Transfer Protocol is an Internet standard for electronic mail (e-mail) transmission across Internet Protocol (IP) networks. SMTP was first defined in RFC 821 (STD 15) (1982), and last updated by RFC 5321 (2008) which includes the extended SMTP (ESMTP) additions, and is the protocol in widespread use today. SMTP is specified for), Usenet Duke University graduate students Tom Truscott and Jim Ellis conceived the idea in 1979 and it was established in 1980. Users read and post public messages to one or more categories, known as newsgroups. Usenet resembles bulletin board systems (BBS) in most respects, and is the precursor to the various Internet forums that are widely used today; (NNTP The Network News Transfer Protocol is an Internet application protocol used for transporting Usenet news articles (netnews) between news servers and for reading and posting articles by end user client applications. Brian Kantor of the University of California, San Diego and Phil Lapsley of the University of California, Berkeley authored RFC 977,), Gopher The Gopher protocol is a TCP/IP Application layer protocol designed for distributing, searching, and retrieving documents over the Internet. Software using this protocol was a predecessor of the World Wide Web. The protocol offers some features not natively supported by the Web and imposes a much stronger hierarchy on information stored on it. Its, FTP File Transfer Protocol is a standard network protocol used to copy a file from one host to another over a TCP/IP-based network, such as the Internet. FTP is built on a client-server architecture and utilizes separate control and data connections between the client and server applications, which solves the problem of different end host and World Wide Web The World Wide Web, abbreviated as WWW and commonly known as the Web, is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them by using hyperlinks. Using concepts from earlier hypertext systems, British (HTTP The Hypertext Transfer Protocol is an Application Layer protocol for distributed, collaborative, hypermedia information systems) access, using a modified version of the Gecko layout engine Gecko is a layout engine currently developed by Mozilla Corporation, known as the layout engine of the Firefox web browser, Mozilla Application Suite, Nvu, Mozilla Thunderbird and many more. It is designed to support open Internet standards, and is used by applications such as Mozilla Firefox, Camino, Flock, SeaMonkey, K-Meleon, Netscape 9, called Clecko. Classilla also includes its own versions of the DOM Inspector DOM Inspector is one of the web developer tools included in Mozilla Application Suite as well as versions of Mozilla Firefox prior to Version 3. (For Firefox Version 3 it can be installed as a separate Firefox extension.) Its main purpose is to inspect the Document Object Model (DOM) tree of HTML and XML-based documents, Mozilla Composer Mozilla Composer, also known as 'KompoZer', is the free, open source, HTML editor and web authoring module of the Mozilla Application Suite . It is used to create and to edit web pages, e-mail, and text documents easily. It is compatible with Microsoft Windows, Mac OS X and Linux. Composer is a graphical WYSIWYG HTML editor. One also can view, and Venkman Venkman is the JavaScript debugger component of the Mozilla Application Suite. It is also available as a Mozilla Firefox extension. Venkman is named after the character Dr. Peter Venkman played by Bill Murray in the movies Ghostbusters and Ghostbusters II components; the former IRC Internet Relay Chat is a form of real-time Internet text messaging (chat) or synchronous conferencing. It is mainly designed for group communication in discussion forums, called channels, but also allows one-to-one communication via private message as well as chat and data transfers via Direct Client-to-Client ChatZilla ChatZilla is a "clean, easy to use and highly extensible IRC client, built on the Mozilla platform". It is written entirely in JavaScript, supported by XUL, CSS and HTML component was removed in version 9.1. Classilla is currently the most recently updated major browser for classic Mac OS systems, and the only Mozilla-based browser for that environment in current maintenance as well, as iCab 3 iCab is a web browser for the Macintosh by Alexander Clauss, derived from Crystal Atari Browser for Atari TOS compatible computers. It is the most recently actively developed browser for 68k-based Macintoshes that features tabbed browsing[citation needed] and one of a very few browsers that was still updated in the recent past for the classic Mac's final update was 3.0.5 in January 2008,^[3] Opera Opera is a web browser and Internet suite developed by Opera Software. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading files via BitTorrent, and reading Web feeds. Opera is offered free of charge for personal computers and mobile's Mac OS 9 support ended with version 6.03 on 20 August 2003,^[4][5] Internet Explorer for Mac Internet Explorer for Mac was a proprietary web browser developed by Microsoft for the Macintosh platform. Initial versions were developed from the same code base as Internet Explorer for Windows. Later versions diverged, particularly with the release of version 5 which included the Tasman layout engine on the classic Mac OS ceased development with 5.1.7 in July 2003^[6] and Mozilla The Mozilla Foundation is a non-profit organization that exists to support and provide leadership for the open source Mozilla project. The organization sets the policies that govern development, operate key infrastructure and control trademarks and other intellectual property. It owns two taxable for-profit subsidiaries: the Mozilla Corporation, itself ceased support in 2002 (see History). The primary maintainer is Cameron Kaiser.

History

Official support for Mac OS 9 Mac OS 9 is the final major release of Apple's "Classic" Mac OS. Introduced on October 23, 1999, Apple positioned it as "The Best Internet Operating System Ever," highlighting Sherlock 2's Internet search capabilities, integration with Apple's free online services known as iTools, and improved Open Transport networking (and Mac OS 8.6 Mac OS 8 is an operating system that was released by Apple Computer on July 26, 1997. It represented the largest overhaul of the Mac OS since the release of System 7, some six years previously. It puts more emphasis on color than previous operating systems. Released over a series of updates, Mac OS 8 was an effort to integrate many of the) in the Mozilla Application Suite The Mozilla Application Suite is a cross-platform integrated Internet suite. Its development was initiated by Netscape Communications Corporation, before their acquisition by AOL. It is based on the source code of Netscape Communicator. The development was spearheaded by the Mozilla Organization from 1998 to 2003, and by the Mozilla Foundation ended with the release of Mozilla 1.2.1 in 2002,^[7] coincident with Apple Apple Inc. is an American multinational corporation that designs and markets consumer electronics, computer software, and personal computers. The company's best-known hardware products include the Macintosh computers, the iPod, the iPhone and the iPad. Apple software includes the Mac OS X operating system; the iTunes media browser; the iLife suite ending support for their former operating system. However, many enthusiasts discovered that Mozilla 1.3.x would still generally build and run on the old Mac OS with modification apart from its dependencies on CarbonLib Carbon is one of Apple Inc.'s procedural application programming interfaces for the Macintosh operating system. It provides C programming language access to Macintosh system services. Carbon is one of five APIs that may be accessed from a Mac OS X program; the others are Cocoa, POSIX, X11, and Java. These APIs have some overlapping and some, leading to builds such as Unofficial Mozilla for Mac OS 9, WaZilla 1.3f, and WaMCom. Of these, WaMCom was the arguably longest maintained, with its final release on 23 July 2003.^[8]

In May 2009, Cameron Kaiser announced his intentions to start porting later Mozilla updates back to the 1.3.1-based version used in WaMCom,^[9] christening his modified version as Classilla. This first version, given the version number 9.0 to match Mac OS 9 (with subsequent numbers matching OS 9 version numbers),^[10] was released on 30 June 2009.^[11] Version 9.0.4 was released on 28 October 2009.^[12] Version 9.1 was released on 26 February 2010.^[13] Version 9.2 was released on 4 June 2010.^[14] The developers consider the current version to be alpha quality software A software release is the distribution of software code, documentation, and other support materials, either by physical media, such as compact discs, or by download. The software release life cycle is composed of discrete phases along that describe the software's maturity as it advances from planning and development to release and support phases.^[15]

Features

Owing to Classilla's unusual provenance (being essentially a heavily patched A patch is a piece of software designed to fix problems with, or update a computer program or its supporting data. This includes fixing security vulnerabilities and other bugs, and improving the usability or performance. Though meant to fix problems, poorly designed patches can sometimes introduce new problems version of Mozilla 1.3.1; vestigial proof remains in its verse from The Book of Mozilla The Book of Mozilla is a computer Easter egg found in the Netscape and Mozilla series of web browsers. It is viewed by directing the browser to about:mozilla), it has more limited support for web standards Web standards is a general term for the formal standards and other technical specifications that define and describe aspects of the World Wide Web. In recent years, the term has been more frequently associated with the trend of endorsing a set of standardized best practices for building web sites, and a philosophy of web design and development than do later Gecko-based browsers such as SeaMonkey SeaMonkey is a free and open source cross-platform Internet suite. It is the continuation of the former Mozilla Application Suite, based on the same source code. Core Mozilla project source code is licensed under a disjunctive tri-license that gives the choice of one of the three following sets of licensing terms: Mozilla Public License, version 1 and Mozilla Firefox Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite and managed by Mozilla Corporation. A Net Applications statistic put Firefox at 24.59% of the recorded usage share of web browsers as of April 2010[update], making it the second most popular browser in terms of current use worldwide after Microsoft's, and its layout compared to iCab 3.0.5 iCab is a web browser for the Macintosh by Alexander Clauss, derived from Crystal Atari Browser for Atari TOS compatible computers. It is the most recently actively developed browser for 68k-based Macintoshes that features tabbed browsing[citation needed] and one of a very few browsers that was still updated in the recent past for the classic Mac is objectively inferior^[16] as the latter browser is Acid2 Acid2 is a test page published and promoted by the Web Standards Project to expose web page rendering flaws in web browsers and other applications that render HTML. Named after the acid test for gold, it was developed in the spirit of Acid1, a relatively narrow test of compliance with the Cascading Style Sheets 1.0 standard, and was released on compliant and Classilla is not. On the other hand, its layout capability is more current than WaMCom or Mozilla 1.3.1, and Classilla has a more current JavaScript JavaScript is an implementation of the ECMAScript language standard and is typically used to enable programmatic access to computational objects within a host environment. It can be characterized as a prototype-based object-oriented scripting language that is dynamic, weakly typed and has first-class functions. It is also considered a functional interpreter than iCab and better support for the Document Object Model The Document Object Model is a cross-platform and language-independent convention for representing and interacting with objects in HTML, XHTML and XML documents. Aspects of the DOM (such as its "Elements") may be addressed and manipulated within the syntax of the programming language in use. The public interface of a DOM are specified in although it is also still deficient compared to modern Gecko-based browsers. It is also perceived by users to be more stable and quicker to render than iCab,^{[17][18][19][20]} important as the classic Mac OS relies on cooperative multitasking In computing, multitasking is a method by which multiple tasks, also known as processes, share common processing resources such as a CPU. In the case of a computer with a single CPU, only one task is said to be running at any point in time, meaning that the CPU is actively executing instructions for that task. Multitasking solves the problem by and has very limited support for memory protection Memory protection is a way to control memory access rights on a computer, and is a part of most modern operating systems. The main purpose of memory protection is to prevent a process from accessing memory that has not been allocated to it. This prevents a bug within a process from affecting other processes, or the operating system itself. Memory. However, known problems in the browser and issues with performance on older machines led the developers to implement their own limited version of NoScript NoScript is a free and open-source extension for Mozilla Firefox, SeaMonkey, Flock and other Mozilla-based web browsers. NoScript allows JavaScript, Java, Flash, Silverlight, and other plugins and scripted content to be selectively executed based on a whitelist as a built-in part of the browser so that users had the ability to enable JavaScript only where it was safe or necessary to do so. Classilla also adds support for user agent spoofing A user agent is a client application implementing a network protocol used in communications within a client–server distributed computing system. The term most notably refers to applications that access the World Wide Web, but other systems, such as the Session Initiation Protocol , use the term user agent to refer to both end points of a, which was not part of the original Mozilla suite, and repairs various Mac OS-specific bugs.

Apart from its upgraded support for Web pages, Classilla supports most of the same features that Mozilla of the same generation did, with similar feature sets and bugs in its support for E-mail, Usenet, FTP and Gopher, although the latter received token upgrades. In a likewise fashion, Classilla also inherits many of the security failings of earlier versions of the Application Suite, many of which are still not patched and openly warned of by the developers.^[21] The presence of NoScript, along with the unusual nature of the classic Mac OS, is thought to add some level of protection, although it is the avowed goal of the developers to reach security parity with current Mozilla-based releases^[22] and repair outstanding bugs.

External links

• Classilla.org - main site
• Classilla Google Code - wiki, source code and downloads

See also

• Mozilla Application Suite The Mozilla Application Suite is a cross-platform integrated Internet suite. Its development was initiated by Netscape Communications Corporation, before their acquisition by AOL. It is based on the source code of Netscape Communicator. The development was spearheaded by the Mozilla Organization from 1998 to 2003, and by the Mozilla Foundation
• Mac OS 8 Mac OS 8 is an operating system that was released by Apple Computer on July 26, 1997. It represented the largest overhaul of the Mac OS since the release of System 7, some six years previously. It puts more emphasis on color than previous operating systems. Released over a series of updates, Mac OS 8 was an effort to integrate many of the and Mac OS 9 Mac OS 9 is the final major release of Apple's "Classic" Mac OS. Introduced on October 23, 1999, Apple positioned it as "The Best Internet Operating System Ever," highlighting Sherlock 2's Internet search capabilities, integration with Apple's free online services known as iTools, and improved Open Transport networking
• List of web browsers
• List of news clients
• List of HTML editors
• Comparison of web browsers
• Comparison of e-mail clients
• Comparison of HTML editors

References

1. ^ "Classilla FAQ". 2009. http://code.google.com/p/classilla/wiki/AAATheFAQ. Retrieved 2009-11-01.
2. ^ "Classilla FAQ". 2009. http://code.google.com/p/classilla/wiki/AAATheFAQ. Retrieved 2009-11-01.
3. ^ "iCab, Downloads". 2009. http://www.icab.de/dl.php. Retrieved 2009-11-01.
4. ^ "Opera Changelogs Mac 6.03". 2003. http://www.opera.com/docs/changelogs/mac/603/. Retrieved 2009-11-01.
5. ^ "Opera Changelogs Mac 7.50". 2009. http://www.opera.com/docs/changelogs/mac/750/. Retrieved 2009-11-01.
6. ^ "Slashdot, Microsoft Ends IE for Mac". 2005. http://slashdot.org/comments.pl?sid=171546&cid=14288661. Retrieved 2009-11-01.
7. ^ "MozillaZine, Classic Mac OS Builds of Mozilla Transitioning to Port Status". 2002. http://www.mozillazine.org/talkback.html?article=2756. Retrieved 2009-11-01.
8. ^ "WaMCom.org". 2009. http://www.wamcom.org. Retrieved 2009-11-01.
9. ^ "Google Groups, Updating WaMCom". 2009. http://groups.google.com/group/macos9/msg/6a07eed79c646c4f. Retrieved 2009-11-01.
10. ^ "Classilla Roadmap". 2009. http://code.google.com/p/classilla/wiki/Roadmap. Retrieved 2009-11-01.
11. ^ "Google Groups, Well, if they get FF 3.5, then you should get Classilla 9.0.". 2009. http://groups.google.com/group/macos9/msg/3930d9c29037df2a. Retrieved 2009-11-01.
12. ^ "Google Groups, Classilla 9.0.4 released.". 2009. http://groups.google.com/group/macos9/msg/90e077115c4e6cc0. Retrieved 2009-11-01.
13. ^ "Classilla 9.1 released". 2010. http://groups.google.com/group/macos9/t/ed3749955a64818d. Retrieved 2010-02-26.
14. ^ "Classilla 9.2". 2010. http://groups.google.com/group/macos9/browse_thread/thread/80d96e8454aeba45. Retrieved 2010-06-04.
15. ^ "Classilla: Current Releases". 2009. http://www.floodgap.com/software/classilla/releases/. Retrieved 2009-11-01.
16. ^ "Classilla.org". 2009. http://www.classilla.org/. Retrieved 2009-11-01.
17. ^ "Google Groups, Classilla 9.0.4 released.". 2009. http://groups.google.com/group/macos9/msg/b6effba776cc1fb7. Retrieved 2009-11-01.
18. ^ "Google Groups, Classilla 9.0.4 released.". 2009. http://groups.google.com/group/macos9/msg/5f264bae6b95dc43. Retrieved 2009-11-01.
19. ^ "Emaculation.com Forums, Classilla: A Secure browser for Classic Mac OS". 2009. http://www.emaculation.com/forum/viewtopic.php?t=5693. Retrieved 2009-11-01.
20. ^ "System 7 Today Forums, Classilla has launched and it works!". 2009. http://forums.system7today.com/viewtopic.php?t=2147. Retrieved 2009-11-01.
21. ^ "Classilla Roadmap". 2009. http://code.google.com/p/classilla/wiki/Roadmap. Retrieved 2009-11-01.
22. ^ "Classilla Roadmap". 2009. http://code.google.com/p/classilla/wiki/Roadmap. Retrieved 2009-11-01.

Categories: Mac OS web browsers | Free web browsers | Gecko-based software | Gopher clients | Internet suites

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