DOSBox SVN r4351 is released. DOSBox emulates an Intel x86 PC, complete with sound, graphics, mouse, joystick, modem, etc., necessary for running many old MS-DOS games that simply cannot be run on modern PCs and operating systems, such as Microsoft Windows XP, Windows Vista, Linux and FreeBSD. However, it is not restricted to running only games. In theory, any MS-DOS or PC-DOS (referred to commonly as "DOS") application should run in DOSBox, but the emphasis has been on getting DOS games to run smoothly, which means that communication, networking and printer support are still in early development.

DOSBox also comes with its own DOS-like command prompt. It is still quite rudimentary and lacks many of the features found in MS-DOS, but it is sufficient for installing and running most DOS games.

DOSBox SVN Changelog:
r4351
Add patch 287 from maccaf: improve escape handling in BBS mode.
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r4350
Fix selector check of LAR and LSL and add them to dynamic core and some other fixes. (jmarsh)
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r4349
Add 0x52 and 0x59. Thanks Slor
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r4348
Improve register handling when calling external code/fpu so that the stack is more accurate when a pagefault occurs. (jmarsh)
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Download: DOSBox SVN r4351
Source: Here