MS-DOS 4.01

MS-DOS 4.01 is a version of MS-DOS, released in November of 1988. In this version is additional features:
 * Support for graphic video adapters EGA, VGA.
 * The volume of logical disks - more than 32 MB.
 * Support for LIM / EMS standard (driver EMM386.SYS, access to additional RAM memory on IBM PC AT-386 and higher), which allowed individual parts of MS DOS to load into additional memory.
 * There was a full-fledged support of the Russian language.
 * Improving the program Select. Now this program greatly simplifies the process of installation and configuration of the system. It automatically creates the appropriate CONFIG.SYS and AUTOEXEC.BAT files.
 * The introduction of a new mem command, which allows you to analyze the current memory card.
 * Four countries are included in the list of supported countries.
 * Graphic printing
 * Various new features in existing commands: tree, delete, mode, append, fastopen, nlsfunc, attrib, fdisk, replace, backup, graftabl, select, country, graphics.
 * Improved system drivers, including: ANSI.SYS, DRIVER.SYS, DISPLAY.SYS, PRINTER.SYS.
 * MS-DOS shell.