The Library Version Identification Utility, DK1TLCHK, is a diagnostic tool used to identify the version number of, and any structural problems with, a tableBASE library. It may be used if a tableBASE application encounters an error or abend 0062 (version incompatibility error), or an S001 abend (non-compatible versions of tableBASE attempting to access a Version 6 or Bridge Library). Here is some sample JCL for running it: