W4DOSW4DOSW4DOSW4DOSW4DOSW4DOSW4DOSW4DOSW4DOSW4DOS
WMSCDEX
WPersonal NetWare
WPCBoardW4DOS
WWordPerfectWWordPerfect
WGEM (desktop environment)WGEM (desktop environment)
WPriam CorporationWPriam Corporation
WHP 200LXWGEM (desktop environment)WGEM (desktop environment)WGEM (desktop environment)WHP 200LXWMSCDEXW4DOSW4DOS
WDOS memory managementWDOS memory managementWDOS memory managementWDOS memory management
WNorton CommanderW4DOSW4DOSWPersonal NetWareWPersonal NetWareWPersonal NetWareWPersonal NetWareW4DOSWPriam CorporationWPersonal NetWareWWordPerfectWWordPerfect