Thursday, 14 April 2016

AUTOEXEC.BAT

File found on the MS-DOS operating system. It is a plain-text batch file that is located in the
root directory of the boot device.

Usage

AUTOEXEC.BAT is only used on MS-DOS or Microsoft Windows versions based on MSDOS,
such as Windows 3.x, Windows 95, Windows 98, and Windows Me. The file is executed
once the operating system has booted and after the CONFIG.SYS file has been processed. On
Windows, this occurs before the graphical environment has been started.

AUTOEXEC.BAT is most often used to set environment variables and run virus scanners,
system enhancements, utilities, and driver handlers that must operate at the lowest level possible.
Applications that run within the Windows environment upon its loading are listed in the Windows
registry.

Lines prefixed with the string "REM" are remarks and are not run as part of
AUTOEXEC.BAT. The "REM" lines are used for comments or to disable drivers (say, for a CDROM).
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