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In DOS, CONFIG.SYS is located in the root directory of the drive from which the system was booted. The filename is also used by Disk Control Program (DCP), an MS-DOS derivative by the former East-German VEB Robotron. [1] Some versions of DOS will probe for alternative filenames taking precedence over the default CONFIG.SYS filename if they exist:
MS-DOS / PC DOS and some related disk operating systems use the files mentioned here. System Files: [1] IO.SYS (or IBMBIO.COM): This contains the system initialization code and builtin device drivers; MSDOS.SYS (or IBMDOS.COM): This contains the DOS kernel. Command-line interpreter (Shell): COMMAND.COM: This is the command interpreter.
MS-DOS itself primarily relied on just one configuration file, CONFIG.SYS.This was a plain text file with simple key–value pairs (e.g. DEVICEHIGH=C:\DOS\ANSI.SYS) until MS-DOS 6, which introduced an INI-file style format.
Remark command, normally used within a batch file, and for DR-DOS, PC/MS-DOS 6 and above, in CONFIG.SYS. This command is processed by the command processor. Thus, its output can be redirected to create a zero-byte file. REM is useful in logged sessions or screen-captures.
MSDOS.SYS is a system file in MS-DOS and Windows 9x operating systems. In versions of MS-DOS from 1.1x through 6.22, the file comprises the MS-DOS kernel and is responsible for file access and program management. MSDOS.SYS is loaded by the DOS BIOS IO.SYS as part of the boot procedure. [1] In some OEM versions of MS-DOS, the file is named MSDOS ...
Pages in category "DOS configuration files" The following 23 pages are in this category, out of 23 total. This list may not reflect recent changes. B. BOOT.LST; C.
In FreeDOS, the matching file is named HIMEMX.SYS and can be loaded from the FreeDOS configuration file named FDCONFIG.SYS or CONFIG.SYS. It is also plug compatible with MS-DOS HIMEM.SYS, offering additional control parameters.
Most DOS .sys files are real mode device drivers. [1] Certain files using this extension are not, however: MSDOS.SYS and IO.SYS are core operating system files in MS-DOS and Windows 9x. CONFIG.SYS is a text file that contains various configuration options and specifies what device drivers will be loaded. [2] [3]