Runs application from "cmdLine" with file synchronization. execWait creates synchronization file,
starts "cmdLine" command and waits till termination of this command, which is syncronized by
means of existence of syncronization file.
Runs application from "cmdLine" with Java Preferences synchronization. execWaitPref sets
synchronization preference flag,
starts "cmdLine" command and waits till termination of this command, which is syncronized by
means of existence of syncronization preference flag.
Launching of java application in Windows operating system;
Launching of DOS or Windows executables (*.com, *.exe, *.bat, etc. ) from Java,
by means of native calls with or without synchronization.