Files can named without any restriction.
The file name will get an unique id while the migration. This avoid any file-name conflict and enables the canceling of the launch.
Files should be stored in the same directory tree like they should installed.
Files must be registered in the tables of the FAL, the File Abstraction Layer.
in the section above Database
Above are shown the some files of Launch TYPO3 GRÜNE (launchstartgreen).