With DosBox 0.58 the files with lower case names in the
Linux filesystem are not recognized until you use the
Illegal command: bushido.
C:\bushido> type bushido.exe
File bushido.exe not found.
BUSHIDO.EXE 72,192 23-03-1997 0:04
<now the game start>
The SCUMMVM program solve this problem trying always
the lower case name in all the file operations if the
uppercase name fails.