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The DebPkg:dosemu package provides a virtual environment suitable for running freedos or proprietary DOS operating systems, such as msdos, pcdos or drdos. The dosemu provides an emulated environment similar to an IBM PC/AT or compatible with an 80x86 compatible processor running in real mode. Emulation of BIOS and system services is provided (Including video, disk, keyboard, serial, printer emulation, CMOS memory configuration information, real time clock and memory allocation through the XMS 3.0 specification, EMS 4.0 and DPMI 0.9.) The CPU is not emulated by dosemu, because the instructions are executed directly by the processor. This makes the emulator run extremely quickly compared to a virtual machine emulator, such as dosbox. However this does mean that dosemu will only run on computers using an 80x86 compatible processor. The DebianPkg:dosemu package provides a virtual environment suitable for running freedos or proprietary DOS operating systems, such as msdos, pcdos or drdos. The dosemu provides an emulated environment similar to an IBM PC/AT or compatible with an 80x86 compatible processor running in real mode. Emulation of BIOS and system services is provided (Including video, disk, keyboard, serial, printer emulation, CMOS memory configuration information, real time clock and memory allocation through the XMS 3.0 specification, EMS 4.0 and DPMI 0.9.) The CPU is not emulated by dosemu, because the instructions are executed directly by the processor. This makes the emulator run extremely quickly compared to a virtual machine emulator, such as dosbox. However this does mean that dosemu will only run on computers using an 80x86 compatible processor.

Translation(s): English - Français - Italiano


Overview

The dosemu package provides a virtual environment suitable for running freedos or proprietary DOS operating systems, such as msdos, pcdos or drdos. The dosemu provides an emulated environment similar to an IBM PC/AT or compatible with an 80x86 compatible processor running in real mode. Emulation of BIOS and system services is provided (Including video, disk, keyboard, serial, printer emulation, CMOS memory configuration information, real time clock and memory allocation through the XMS 3.0 specification, EMS 4.0 and DPMI 0.9.) The CPU is not emulated by dosemu, because the instructions are executed directly by the processor. This makes the emulator run extremely quickly compared to a virtual machine emulator, such as dosbox. However this does mean that dosemu will only run on computers using an 80x86 compatible processor.

Error Messages

ERROR: Unable to open console to evaluate the keyboard map

To prevent this error from occuring at startup, it may be necessary to configure the keyboard map, by adding an entry to the /etc/dosemu/dosemu.conf configuration file as follows:

$_layout = "uk"

Error: Please specify your keyboard map explicitly via the $_layout option

To prevent this error from occuring at startup, it may be necessary to configure the keyboard map, by adding an entry to the /etc/dosemu/dosemu.conf configuration file as follows:

$_layout = "uk"