executes a command in a given directory.
Under Windows XP (possibly others as well) use of the program cmd.exe is recommended. E.g. to run the dir command, one would use the following text in "Bash command": cmd /c dir. More information on cmd can be found here: http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/cmd.mspx?mfr=true