DOSBox is a DOS-emulator using SDL for easy portability to different platforms.
It has already been ported to several different platforms, such as
Windows, BeOS, Linux, Mac OS X.

DOSBox emulates a 286/386 realmode CPU, Directory FileSystem/XMS/EMS,
a SoundBlaster card for excellent sound compatibility with older games.

You can "re-live" the good old days with the help of DOSBox,
it can run plenty of the old classics that don't run on your new computer!