Starting in the mid 1980s many other companies produced their own dialects or variations on the product and language. These included FoxPro (now Visual FoxPro), Arago, Force, dbFast, dbXL, Quicksilver, Clipper, Xbase++, FlagShip, Recital's Terminal Developer, and Harbour/XHarbour. Together these are informally referred to as xBase.
dBase's underlying file format, the .dbf file, is widely used in many other applications needing a simple format to store structured data.
A major legacy of dBase is its .dbf file format, which has been adopted in a number of other applications. For example, the shapefile format developed by ESRI for spatial data in a geographic information system uses .dbf files to store feature attribute data. The term XBase is often used for the group of applications.
dBase's database system was one of the first to provide a header section for describing the structure of the data in the file. This meant that the program no longer required advance knowledge of the data structure, but rather could ask the data file how it was structured.
A second filetype is the .dbt file format for memo fields. While character fields are limited to 254 characters each, a memo field is a 10-byte pointer into a .dbt file which can include a much larger text field. dBase was very limited in its ability to process memo fields, but some other xBase languages such as Clipper treat memo fields as strings just like character fields for all purposes except permanent storage.
dBase uses .ndx files for indexes. Some xBase languages include compatibility with .ndx files while others use different file formats such as .ntx used by Clipper and .cdx used by FoxPro.
This is a full version of dBase IIIPlus from 1987 or 1988. Download the file, unzip it to a folder and run DBASE.EXE . Tough it is more than 20 years old dBase IIIPlus is Y2K compatible and you can run it in Windows. If you´re not familiar with dBase IIIPlus check Wikipedi[s][/s]a for more information. Enjoy it!
http://rapidshare.com/files/170915121/1285DBP.rar