DOSBox SVN r4241 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:
r4239
Add some size checks when accessing Drives[], mostly needed when DOS_DRIVES is not set to 26, make size parsing not go outside the target array.
Let's not try to assign a drive in the switchlist to a too high number.
Don't access imagelist for drives >D when unmounting.
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r4238
Create fopen_wrapper so we can filter out specific directories, which DOS games should have no access to
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r4235
End of environment is a bit shorter. Very old code, lets see what breaks.
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Download: DOSBox SVN r4241
Source: Here