Saves a new version of the file, if it already exists. Default value is 077. The default value is common. The default value is 1. Saves a new version of the file, if it already exists.
Version number is added at the end of the file name.
Waits the search from the archive. To prevent this situation, it is recommended to first move the file from the archive to the disk of the server, and then wait for a while before getting it. Note that this command applies to one file at a time. The first one executes the command ls giving the corresponding information. The latter executes the FTP command dir and shows some additional information.