z/OS Communications Server
FTP Client Which Initiate a Data Connection
Commands which require a data connection be opened:
APpend subcommand--Append a local data set
DIr subcommand--Obtain a list of directory entries
Get subcommand--Copy files
LS subcommand--Obtain a list of file names
MGet subcommand--Copy multiple files
MPut subcommand--Copy multiple data sets to the remote host
PUt subcommand--Copy data sets to the remote host