QUARTERDECK DEMONSTRATES WEBTALK FOR THE MACINTOSH MARKETPLACE AT MACWORLD

WebTalk Offers the Most Powerful Full Duplex Voice Chat System for Internet
Users

SAN FRANCISCO, Calif., January 10, 1996 -- AT MACWORLD -- Quarterdeck Corp.
(Nasdaq: QDEK) demonstrated at Macworld today a Macintosh version of
WebTalk, Quarterdeck's full duplex, real-time Internet voice chat system.
WebTalk for the Macintosh broadens Quarterdeck's family of Internet
solutions for the Mac market while further leveraging the company's
innovative technology that enables Mac users to conduct real-time, two-way
conversations over the Internet. WebTalk's unique interface lets users put
their e-mail and home page addresses in their online profile, which allows
WebTalk users to send them e-mail or connect to their home page with the
click of a button. WebTalk also comes with a phone book for storing user
names of frequently called parties.

"WebTalk is a powerful tool for Internet communication, something Macintosh
users have been waiting for. Quarterdeck is committed to bringing its
innovative Internet solutions to all platforms," said Gaston Bastiaens,
President and CEO of Quarterdeck. "Our relationship with Intelligence at
Large, Inc. has enabled Quarterdeck to bring this level of sophistication
quickly to the Mac marketplace."

WebTalk for Macintosh, which includes Quarterdeck Mosaic for Macintosh,
also works with other Mac browsers to tightly integrate the Web, voice and
text chat, and e-mail. WebTalk was co-developed by Quarterdeck and key
partners Intelligence At Large and Lernout & Hauspie Speech Products.
WebTalk features user-controllable compression/decompression software,
called Codec, that allows users to reduce the voice compression as needed
to compensate for poor connections. The adjustable compression rates of
Codec will help improve voice clarity in case of line noise or data loss
over the Internet.

"We think WebTalk is an innovative yet simple-to-use tool for collaborative
computing. With the release of a Macintosh product, users will be able to
work together regardless of the system they use," said Cartwright Reed,
President and CEO of Intelligence at Large. "Quarterdeck did a superb job
of putting together the best technology available from outside sources for
WebTalk, and we're happy to have been a part of that collaboration."

Quarterdeck expects to ship WebTalk for the Macintosh in the coming months.
It requires System 7.5.1 or higher, running on any full-duplex Macintosh
or Power Macintosh and a 14.4K modem. Price and further product details
will be announced when the product ships.

About Intelligence at Large

The mission of Intelligence at Large, Inc. is to develop and market
cross-platform software tools that allow you to "be there," wherever there
is, with off-the-shelf multimedia PCs and the Internet. Founded in 1991,
Intelligence at Large is headquartered in Philadelphia, Pennsylvania.
Quarterdeck is a minority investor in Intelligence at Large.

About Quarterdeck

Quarterdeck Corporation is a pioneer in the development of software
products in four strategic business areas: Utilities, Internet
Applications, Internet Services, and Telecommunications and Collaborative
Computing. The company has led the industry in bringing utilities
solutions to the Windows and DOS environments with its award-winning QEMM
memory management software. The company also recently shipped three
Windows 95 products: MagnaRAM 2.0, CleanSweep 95, and WINProbe 4.0 and the
first product in the Telecommunications and Collaborative Computing area,
WebTalk.

The company also offers an entire line of powerful, next-generation
Internet tools for corporate, small business and individual users,
including WebCompass, which was awarded Best of Show by the editors of
BYTE magazine at fall Comdex, as well as Quarterdeck Mosaic,
InternetSuite, WebSTAR, WebAuthor, Quarterdeck IWare Connect, and IWare
InternetSuite for Novell Netware.

Quarterdeck's StarNine Technologies is the leading developer of Internet
server software and email connectivity products for the Macintosh. WebSTAR
(formerly MacHTTP) Web server software is the most widely used Web server
on the Internet. StarNine Technologies, Inc. is a wholly owned subsidiary
of Quarterdeck Corporation based in Berkeley, Calif. StarNine can be
reached by calling (510) 649-4949 or by sending email to info@starnine.com
or via the Web at <URL:http://www.starnine.com/>. Quarterdeck
Corporation's address is 13160 Mindanao Way, Marina del Rey, CA 90292. The
Dublin, Ireland office serves as its European headquarters, with offices
in England, France, Germany, and Australia. Further product availability
and pricing information can be obtained by calling (310) 309-3700, by
accessing Quarterdeck's Internet Web site at http://www.quarterdeck.com/,
or by sending a mail request to info@quarterdeck.com.
 
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