-rsync runs, it checks each file in the backup to see if it is identical
-to an existing file from any previous backup of any PC. It does this
-without needed to write the file to disk. If the file matches an
-existing file, a hardlink is created to the existing file in the pool.
-If the file does not match any existing files, the file is written to
-disk and the file name is saved in __TOPDIR__/pc/$host/NewFileList for
-later processing by BackupPC_link. BackupPC_tarExtract and rsync can handle
-arbitrarily large files and multiple candidate matching files without
-needing to write the file to disk in the case of a match. This
+rsync or ftp runs, it checks each file in the backup to see if it is
+identical to an existing file from any previous backup of any PC. It
+does this without needed to write the file to disk. If the file matches
+an existing file, a hardlink is created to the existing file in the
+pool. If the file does not match any existing files, the file is written
+to disk and the file name is saved in __TOPDIR__/pc/$host/NewFileList
+for later processing by BackupPC_link. BackupPC_tarExtract and rsync
+can handle arbitrarily large files and multiple candidate matching files
+without needing to write the file to disk in the case of a match. This