Enlarging hard disks

Article Abstract:

Doubledisk, a $99.95 software package available from Vertisoft Systems Inc of San Francisco, can double the capacity of a hard disk drive. Doubledisk works by creating a new 'logical drive,' which is physically a part of an existing drive but is treated as if it is a separate device. Doubledisk routines compress files when storing them on the logical drive, decompressing them when they are accessed. The efficiency of the compression technique depends on the kind of data being compressed, but in some circumstances, Doubledisk can double the amount of data stored in a given space. Data files compress best; the program is not as efficient working with program files. Doubledisk is memory resident, requiring about 40Kbytes of RAM. The program runs on IBM PC-compatible or IBM PS/2 microcomputers.

Software, Disk drives, Data compression, Hard disk drives, File maintenance utilities, evaluation, Hard Disk Drive, Disk/Tape File Utilities, Vertisoft Systems Inc., DoubleDisk (File management software)

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Being superintegrated

Article Abstract:

Claris Corp's $299 Clarisworks 2.0 for Windows integrated software makes IBM PCs and compatible work as well as an Apple Macintosh running Clarisworks. Version 2.0 can be called superintegrated; users can work at several modules simultaneously, thus data on a spreadsheet can be used on a word processor without the need to leave the application. With Clarisworks, too, documents created on Windows or on the Macintosh are interchangeable. Users can therefore write a report on an IBM PC and edit it on a Macintosh. Clarisworks for Windows needs an 80386 or later microprocessor, a minimum of 2Mbytes of memory, Windows 3.0 or later, a hard drive and DOS 3.1 or later. Version 1.0 owners can acquire an upgrade for $69 until Jul 15, 1993.

Suites (Software), Integrated software, Claris Corp., ClarisWorks 2.0 (Integrated software)

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