External DOS commands

thumb|250px| running in a Windows console on [[Windows 95 (MS-DOS Prompt)]]

fdisk is a command-line utility for disk partitioning. It has been part of DOS, DR FlexOS, IBM OS/2, and early versions of Microsoft Windows, as well as certain ports of FreeBSD, NetBSD, OpenBSD, DragonFly BSD and macOS for compatibility reasons. Windows 2000 and its successors have replaced fdisk with a more advanced tool called diskpart.

CHKDSK (short for "check disk") is a shell command that verifies the data integrity of the file system on a volume (usually a partition) and attempts to fix logical errors software-level problems with a filesystem (or its metadata) as a result of prior software malfunction (e.g. crashes) or irregular use (e.g. hard resets). Logical errors are contrasted with and usually less severe than hardware-level errors, which can not be fixed with CHKDSK and may instead require specialized data recovery software or hardware service or replacement. Although the name ends with "DSK" as an abbreviation for

command-line program

disk diagnostic utility for MS-DOS and Windows 9x

DOS, Windows, or OS/2 command for formatting a computer disk

XCOPY is a shell command for copying files and directory trees from one directory to another or across networks. The command was designed to be more functional than the copy command, but to augment it instead of replacing it.

In computing, ATTRIB is a command in Intel ISIS-II, DOS, IBM OS/2, Microsoft Windows and ReactOS that allows the user to change various characteristics, or "attributes" of a computer file or directory. The command is also available in the EFI shell.

shell command in various operating systems

DOS, OS/2 and 32-bit Microsoft Windows command

EMM386 is the expanded memory manager of Microsoft's MS-DOS, IBM's PC DOS, Digital Research's DR-DOS, and Datalight's ROM-DOS which is used to create expanded memory using extended memory on Intel 80386 CPUs. There also is an EMM386.EXE available in FreeDOS.

command

In computing, SUBST is a command on the DOS, IBM OS/2, Microsoft Windows and ReactOS operating systems used for substituting paths on physical and logical drives as virtual drives.

MSCDEX or Microsoft CD-ROM Extensions is a software program produced by Microsoft and included with MS-DOS 6.x and certain versions of Windows to provide CD-ROM support. Earlier versions of MSCDEX since 1986 were installable add-ons for MS-DOS 3.1 and higher.

command in various DOS, OS/2 and Microsoft Windows shells