The CLOSE i5/OS® FTP client subcommand ends your session with the remote system and keeps FTP active on your local system.
CLose
The CLOSE subcommand allows you to remain in the FTP environment to open another FTP session on another system. Use the OPEN subcommand to establish a new connection with the same remote system or another remote system. Use the QUIT subcommand to end FTP service and return to the System i™ environment from which FTP was started.