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Multi-platform Support

How good is the OS/2 support?

Visual Prolog 5.x fully runs and supports OS/2 Presentation Manager. VPI Programs can easily be recompiled to run under OS/2 PM. We can not assure that every VPI program will look equally under Windows and OS/2, but as far as we know, there are no other programming tool that gives such a wide portability as Visual Prolog. Visual Prolog under OS/2 can now be used without buying a C compiler.

New conversion utility can be found in the BIN directory for each platform. It helps in the conversion Win16 (32) Projects to OS/2 and back. Conversions of the .VPR and .HAM files to the text representation and back also supported by this utility.

Does  Visual Prolog 5.x provide programming under SCO and LINUX?

The Professional version of Visual Prolog 5.x and Visual Prolog 5.1 contain a command-line compiler so it is possible to create command-line textmode utilities to run under SCO UNIX and LINUX.

At the moment we does not supply VPI or support direct binding from Visual Prolog to any standard GUI functions under UNIX platforms. Therefore, it is possible to use Visual Prolog under UNIX only in cases when GUI is not necessary, for example, CGI applications.

There exist some more restrictions:

standard Visual Prolog's built-in predicates are supported,
interface between Visual Prolog and sockets is not implemented.
chkdoms utility for checking (before linking) that global domains are the same in all modules in a project is not implemented for the ELF format.

Does Visual Prolog work with Sun Microsystems Inc. Solaris operating system?