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NORTON UTILITIES OFFERS UNSURPASSED SUPPORT FOR COMPRESSED DRIVES; NORTON UTILITIES 7.0 & DOS 6.0, PERFECT COMPANIONS

 CUPERTINO, Calif., May 19 /PRNewswire/ -- Symantec Corp.'s (NASDAQ: SYMC) Norton Utilities, known for its unsurpassed protection capability for data recovery on standard drives, now extends this protection to compressed drives in the recently announced version 7.0. Norton Utilities 7.0 (NU 7.0) is the only software available that automatically recovers lost, damaged and crosslinked files on DOS 6.0 DoubleSpace, Stacker and SuperStor compressed drives and provides hardware diagnostics that thoroughly test all vital system components before new software such as major applications or compression technology is installed.
 NORTON UTILITIES 7.0 BENEFITS FOR DOS 6.0 USERS
 -- Extends automatic data recovery protection to compressed drives;
 -- Hardware diagnostics certifies hardware integrity;
 -- Norton Disk Doctor contains nine automated repair functions
 specific to compressed drives;
 -- Speed Disk is the only utility available for defragmentation of
 both standard and compressed drives; and
 -- Rescue and Restore automatically recreates lost CMOS
 configurations.
 "The use of compression technology creates new demands for utilities," said Gordon E. Eubanks, Jr., Symantec's president and chief executive officer. "NU 7.0 meets the needs for more sophisticated systems by providing data recovery, protection and optimization of compressed data, and completely supports the MS-DOS 6.0 memory manager and the compressed drive format. Although I use DOS 6.0 frequently and haven't experienced any of the reported problems, NU 7.0 provides system support to all users for testing and/or running DOS and Windows software."
 Compressed drives have as much potential for file system errors as standard drives. The risk that compression technology represents is due to additional data structures that increase the potential for problems. Errors on compressed drives tend to be more exaggerated because a small amount of damage can affect a larger portion of a compressed file. NU 7.0 provides the safest computing environment available with exclusive recovery and repair functions unique to each of these compression technologies.
 "The Norton Utilities 7.0 is a great complement to DoubleSpace DOS 6.0, providing an enhanced feature set for users, " said Brad Silverberg, vice president, Microsoft Systems Group.
 BENEFITS OF NU 7.0 FOR COMPRESSED DRIVES
 Errors on compressed drives are more likely to affect users than on standard drives. NU 7.0 offers several easy ways to recover lost, damaged and crosslinked files on compressed drives, enabling NU 7.0 users the opportunity to keep their PC systems in top operating condition.
 Norton Disk Doctor
 To maintain system integrity on compressed drives, users should run Norton Disk Doctor everyday at bootup. Norton Disk Doctor contains nine automated repair functions specific to compressed drives. The decompression test checks the validity of each sector of data and deletes only the damaged cluster. Early detection can prevent more widespread or severe problems later.
 DOS 6.0 error messages "Sector Not Found" or "General Failure" may signify corrupt compressed data. A Norton Disk Doctor surface scan of the host and decompression test of the compressed drives will repair the physical problems on the host drive and the compression problems on the compressed drive.
 Crosslinked Files
 The DOS 6.0 error message "A CVF (compressed volume file) is damaged" generally indicates crosslinked compressed sectors. A user normally sees this message at bootup, although the drive is still accessible. Norton Disk Doctor detects crosslinked files and lost allocation units (lost clusters) and recommends a repair solution.
 Defragging Compressed Drives
 NU 7.0's Speed Disk provides the only defragger solution that unfragments large hard disks (up to 2 gigabytes) and compressed drives. The Norton Disk Doctor's decompression test should be initiated before running Speed Disk to ensure data integrity on compressed drives.
 Although Speed Disk is the fastest utility available for defragmentation for either standard or compressed drives, the initial defragmentation of a compressed drive may take some time. Use of the Speed Disk configuration options and regular passes of Speed Disk can greatly reduce the processing time of later runs. For example, one Speed Disk configuration option lets the user group files that will not become fragmented (such as executables) together at the front of the disk. This area of the disk can then be processed very quickly during subsequent uses of Speed Disk.
 Recovering Lost CMOS Configurations
 Lost CMOS configurations are a problem on systems with both standard and compressed drives. The best insurance against losing CMOS configurations is to backup the configurations. Users should create a Rescue Disk during the installation of NU 7.0 to allow NU 7.0's Rescue and Restore feature to automatically recreate the user's CMOS configuration if needed.
 If CMOS configurations, boot record or system files have been lost, and the user has to boot from a plain bootable floppy disk, the required device drivers to access compressed drives must be available. The NU 7.0 Rescue Disk made during installation automatically ensures that this happens.
 Norton Cache
 When using NU 7.0's NCache, it is recommended that the user "flush" the cache before turning off the system to avoid losing data. At the "C:" prompt, type "NCache /Dump" to ensure that everything in the cache is saved to disk. Alternatively, NCache can be configured to output any delayed writes before returning to the DOS prompt.
 Norton Utilities 7.0 runs on IBM PC AT, PS/2 or 100-percent compatibles, DOS 3.3 or higher and requires 640KB RAM (1MB recommended). The program offers network support with special features for NetWare installations and is fully compatible with Windows 3.0 and 3.1.
 Symantec Corp. develops, markets and supports a complete line of application and system software products for IBM personal computers and compatibles and Apple Macintosh computers. Founded in 1982, the company has offices in the United States, Canada, Australia and Europe. Information on the company and its products can be obtained by calling 800-441-7234 toll free, or 408-252-3570.
 NOTE: Brand and product references herein are the trademarks or registered trademarks of their respective holders.
 -0- 5/19/93
 /CONTACT: Ana Shannon, 310-449-4140, or Lori Cross, 310-449-4258, both of Symantec/
 (SYMC)


CO: Symantec Corp. ST: California IN: CPR SU: PDT

GT -- SJ002 -- 0532 05/19/93 19:24 EDT
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Copyright 1993 Gale, Cengage Learning. All rights reserved.

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Date:May 19, 1993
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