Still, users must understand that all archive programs are offered AS IS, and the archive maintainers specifically disclaim any liability should these programs malfunction or cause damage, incidental or otherwise. When testing ANY new software, be certain that all information stored on disk is backed-up before you start, so that you can recover if files are damaged or erased. This is particularly true if you have a hard disk, in which case malfunctions can be spectacularly disasterous. Although the type of storage used for a particular file can usually be inferred from the file-name, this is not always true. This relationship will continue to apply for files in the , and archives until further notice.
Similar files exist for the archive, but they are stored in squeezed form.
The different mainframe operating systems implement FTP with variations in command syntax. Others reverse this order. Some versions have the whole command on a single input line, while others use multiple lines. Read the documentation for your local system, or consult a friendly system wizard for the details of your local FTP command syntax. Ignore the message which may appear that prompts you to enter a password.