Ystem, tool> An MS-DOS file browsing utilitY written bY Vern Buerg in 1983. A former mainframe sYstems programmer, Buerg wrote DOS utilities when he began using an IBM PC and missed the file-scanning abilitY he had on mainframes. The software became an instant success, and his list utilitY was in use on an estimated 5 million PCs. shareware version . (1997-05-16)