-play -pause -togglepause -stop -softpause -next -randomnext -prev -exit -restore -minimize -nofocus -dontsaveprefs -wipeprefs -dontsaveml -libraryfolder If not defined Tuniac will load/save to: %appdata%\Tuniac\ aka C:\Users\\AppData\Roaming\Tuniac But you can set the path eg: TuniacApp.exe" -libraryfolder=%appdata%\Tuniac\Christmas or TuniacApp.exe" -libraryfolder=%appdata%\Tuniac\Rock or TuniacApp.exe" -libraryfolder=C:\MyTuniacLibrary\1 or TuniacApp.exe" -libraryfolder="C:\My Folder With Spaces\Whatever" Rules: 1)No trailing slashes 2)You can not define the filenames themselves(TuniacMediaLibrary.dat, Playlists.dat), only the folder. 3)Note quotes if you want spaces in the folder name, without quotes it would save to: C:\My 4)You can "unset" the folder(eg go back to default path) via: TuniacApp.exe" -libraryfolder= 5)You will need to launch Tuniac with this command line to load the alternative ML/PL files; Once Tuniac is running the ML/PL does not reload, you can only change the save location. 6)Tuniac will not automatically reuse the alternative ML/PL files, on each Tuniac launch you will need to resend the command line.