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Advanced FTP
Besides connecting to remote hosts, you can FTP to the loopback address (127.0.0.1) and use FTP
to move files within the same system. Since CD and LCD support both HFS directories
and MVS datasets, FTP can be be used to copy files to and from the HFS. Because
FTP can treat a partitioned datasets as a directory, FTP can be used to copy members
to and from a partitioned dataset.
The PROXY facility of FTP allows an FTP client to connect to a primary and secondary remote host and move files between them. You precede commands which involve the secondary
host with PROXY:
- OPEN - open a connection
- CLOSE - close a connection
- GET/MGET - transfer files from primary to secondary
- PUT/MPUT - transfer files from secondary to primary
MPUT and MGET allow multiple files matching a pattern to be transferred. You can specify
whether or not a prompt occurs for each file matching the pattern.
If you set up an MVSURLKEY parameter on your FTP server, then you can retrieve MVS
datasets using your web browser. The MVSURLKEY parameter for the FTP server specifies a
value that can be specified in an FTP URL to specify that an MVS dataset name follows.
If you do not permit anonymous logins to FTP, then you must provide userid/password information; the procedure can vary depending on which browser you are using.
See FTP Access to OS/390 for other useful functions
supported by FTP.
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