From MEPIS Documentation Wiki
Website: "DOSEMU stands for DOS Emulation, and allows you to run DOS and many DOS programs, including many DPMI applications such as DOOM and Windows 3.1, under Linux."
DOSEMU is available in the repos and can be installed in the usual manner.
As installed, it must be run as root. But to run DOSEMU as a normal user, it is necessary to edit the file as root
by adding as the last line:
For further information, see the WP link below.