A columnar formAT {third generATion programming language} similar in layout to {assembler} and used for transaction processing, solely on the HoneywellBullTPS6dATabase/transaction management system on their Level 6 DPS6minicomputers running under the GCOS6 {operATing system}. In the UK it was mainly used by local authorities and the Ministry of Defense. Being proprietary technology, its popularity waned with the introduction of open systems standards, relATional dATabases and {fourth generATion languages} but it is believed thAT some systems made it through Y2K. [DATes?] (2003-05-15)