> The -of flag tells the compiler which name to use for > executable. Yep, but why it is used twice? dmd -m32 -of.dub/build/application-debug-x86-dmd-DA39A3EE5E6B4B0D3255BFEF95601890AFD80709/test -c -of.dub/build/application-debug-x86-dmd-DA39A3EE5E6B4B0D3255BFEF95601890AFD80709/test.o