mkdexe2 is a script to bundle DOS executables for emulators like dosemu2 or dosbox.

./mkdexe -N Wolf3d -P ~/dos/games/wolf -E wolf3d.exe

This creates the file named org.dosemu2.Wolf3d-x86_64.AppImage which you can run under linux to play the Wolf3d game. dosemu2 is used by default.

./mkdexe -N Wolf3d -P ~/dos/games/wolf -E wolf3d.exe -e dosbox

Same, but will use dosbox.

fuse-overlayfs must be installed. dosemu2 must be installed.