+printf " create-transcoding-job -- -v [video UUID] \n"
+printf " -> Create a transcoding job for a particular video\n"
+printf " prune-storage -> Delete (after confirmation) unknown video files/thumbnails/previews... (due to a bad video deletion, transcoding job not finished...)\n"
+printf " optimize-old-videos -> Re-transcode videos that have a high bitrate, to make them suitable for streaming over slow connections"