EGA.SYS Saves and restores the display when the MS-DOS Shell Task Swapper is used with EGA monitors. If you have an EGA monitor, you must install the EGA.SYS device driver before using Task Swapper. This device driver must be loaded by a or command in your CONFIG.SYS file. Syntax DEVICE=[drive:][path]EGA.SYS Parameters [drive:][path] Specifies the location of the EGA.SYS file.