DOSBox was originally released in 2002. It has taken a series of updates, with the latest version released in the summer of 2019. In other words, it is still relevant to today's operating systems. The open source emulator is available for free. It brings in the experience of an Intel x86 PC, so it is suitable for software and programs designed for disk systems – IBM PCs. Most commonly, the emulator is used to run classic DOS video games. Apart from running DOS games, the emulator has also been used for newer and updated commercial releases of those games.
DOSBox is compatible with all DOS programs and brings in an exquisite accuracy. Long filenames are not supported due to the DOS restrictions – the three extension characters are required too. Some versions fix this issue. The emulator can play videos and allows users to take screenshots. It is a command line program.