The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
dSortkey
Sort key
The text, usually a single column, used as the
basis for sorting all the rows in a table. Table
rows are rearranged according to the sorted order
of the lines of the sort key.