úÎ!wSNone?mmsyn3!Function that is used instead of D to check whether the executable ends in .exe. The function returns  IO Nothing if there is neither ys nor (ys ++ ".exe")) names for executables in the variable PATHmmsyn3$Function that is used to concat the ) to the name of the program. You can use % "nameOfExecutable" e. g. inside the  as the name of the executable%mmsyn3-0.1.2.0-E5BvjJQr2ky21z3JXyZMfHEndOfExe System.InfoosSystem.Process callCommandendOfExecutableshowE