When you use CloudFSUtil to transfer remote files, file name arguments are specified with a remote file system-specific name, followed by a colon separator, followed by the remote path name starting from root, as shown below.
Amazon s3
Syntax - s3://bucket_name/pathname Example - s3://useast/topdir/tests/test.dat
Databricks
Syntax - dbfs:/pathname Example - dbfs:/mymnt/topdir/tests/test.dat