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Choice was introduced as an external command with MS-DOS 6.0; [1] [2] Novell DOS 7 [3] and PC DOS 7.0. Earlier versions of DR-DOS supported this function with the built-in switch command (for numeric choices) or by beginning a command with a question mark. [3] This command was formerly called ync (yes-no-cancel).
A terminate-and-stay-resident program (commonly TSR) is a computer program running under DOS that uses a system call to return control to DOS as though it has finished, but remains in computer memory so it can be reactivated later. [1] This technique partially overcame DOS's limitation of executing only one program, or task, at a time.
The command is available in MS-DOS versions 2 and later. [10] Digital Research DR DOS 6.0 [11] and Datalight ROM-DOS [12] also include an implementation of the md and mkdir commands. The version of mkdir bundled in GNU coreutils was written by David MacKenzie. [13] It is also available in the open source MS-DOS emulator DOSBox and in KolibriOS ...
The command has been implemented in operating systems such as Unix, DOS, IBM OS/2, [1] MetaComCo TRIPOS, [2] AmigaOS [3] (where if a bare path is given, cd is implied), Microsoft Windows, ReactOS, [4] and Linux. On MS-DOS, it is available in versions 2 and later. [5] DR DOS 6.0 also includes an implementation of the cd and chdir commands. [6]
According to its manual, "dosemu" is a user-level program which uses certain special features of the Linux kernel and the 80386 processor to run DOS in a DOS box. The DOS box, relying on a combination of hardware and software, has these abilities: Virtualize all input-output and processor control instructions
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
Since TRSDOS does not have the notion of redirection for disk files as UNIX/Linux and MS-DOS do, the APPEND command is somewhat different in concept than the UNIX or MS-DOS notion of appending via output redirection. TRSDOS/LS-DOS 6.x do provide I/O redirection for system devices (keyboard *KI, display screen *DO, printer *PR, serial port *CL ...
The original DOS API in 86-DOS and MS-DOS 1.0 was designed to be functionally compatible with CP/M.Files were accessed using file control blocks (FCBs). The DOS API was greatly extended in MS-DOS 2.0 with several Unix concepts, including file access using file handles, hierarchical directories and device I/O control. [1]