AOL's browser unit has released an updated version of its Netscape Web browser for Mac OS X, Linux and Windows systems.

Netscape 7.2 - which was expected to appear earlier this year - is based on version 1.7 of Internet application suite, Mozilla.

Improvements include tabbed Web browsing, improved print preview and integrated AOL Instant Messenger and ICQ, according to Netscape.

Analysts had said that the death knell was sounding for the Netscape browser after AOL last year laid off essentially all of its Netscape software developers and ended development work on the Mozilla browser technology.

Open source weaves Web

Development work was taken over by the Mozilla open source project, which was originally started in early 1998 by Netscape and continued when AOL acquired Netscape later that year. Last year, the people behind Mozilla created a foundation, largely funded by a $2 million pledge from AOL, to build, support and promote Mozilla products.

While it has been quiet on the Netscape browser front, AOL has not retired the Netscape brand, which it acquired six years ago in a $4.2 billion deal. AOL is testing a new Netscape Desktop Navigator product and in January launched the Netscape Internet service, a low-cost Internet service provider.

Trust and anti-trust

Netscape was the most popular browser in the early years of the Web. However, its market share started crumbling when Microsoft introduced Internet Explorer (IE) in the mid-1990s. The acquisition of Netscape by Microsoft rival AOL and a lengthy antitrust trial could not change the browser's fortune.

Internet Explorer did lose some market share this year as a result of several highly publicized security vulnerabilities in the Microsoft Web browser. However, IE continues to be, by far, the most widely used browser with around 95 per cent market share, according to San Diego-based Web tracking company WebSideStory Inc.