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A disk operating system (DOS) is a computer operating system that resides on and can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.A disk operating system provides a file system for organizing, reading, and writing files on the storage disk, and a means for loading and running programs stored on that disk.
The original PC Tools package was first developed as a suite of utilities for DOS, released for retail in 1985 for $39.95. [1]With the introduction of version 4.0, the name was changed to PC Tools Deluxe, and the primary interface became a colorful graphical shell (previously the shell resembled PC BOSS and was monochrome.)
Digital Research DR DOS 6.0 [16] and Datalight ROM-DOS [17] also include an implementation of the diskcopy command. The FreeDOS version was developed by Imre Leber and is licensed under the GNU GPL 2. [18] The command is not included in Windows 10. [19] [failed verification] The command is not included in Windows 11. xcopy is a like command
EDIT is a full-screen text editor, included with MS-DOS versions 5 and 6, [1] OS/2 and Windows NT to 4.0 The corresponding program in Windows 95 and later, and Windows 2000 and later is Edit v2.0. PC DOS 6 and later use the DOS E Editor and DR-DOS used editor up to version 7.
Quick Menu is a graphical user interface for MS-DOS developed by OSCS Software Development, Inc.. Three versions were made: Quick Menu, Quick Menu II [3] and Quick Menu III. [4] In DOS users have to type all commands via the keyboard. By using the cd-command users could navigate through (sub)directories.
Originally MS-DOS was designed to be an operating system that could run on any computer with a 8086-family microprocessor.It competed with other operating systems written for such computers, such as CP/M-86 and UCSD Pascal.
Users could press a key to indicate what they wanted to happen; available options included: [3] Abort (A): Terminate the operation or program, and return to the command prompt. The program would not do any cleanup (such as completing writing of other files). Retry (R): Attempt the operation again. "Retry" was what the user did if they could fix ...
The first sector of DOS-formatted diskettes is the boot record. Two copies of the File Allocation Table occupy the two sectors which follow the boot record. Sectors four through seven hold the root directory. The remaining 313 sectors (160,256 bytes) store the data contents of files.