Below is some usual FTP commands

USER
Send your username to the server

PASS
Send your password to the server

PWD
Return the current folder name on the server

CWD
Change to the specified remote folder

PASV
Open passive mode, tell server to open a port and waiting FTP client to connect in, it is useful when you are behind firewall

PORT
Open a local port, and tell server your IP address and the local port, waiting the server to connect in, If you are behind firewall or in a internel network, the server may has troubles to connect your computer, you may need a router with UPnP option enabled, the lucky thing is: our client supports UPnP!

LIST
List remote directory, this command be sent after a PASV or PORT command

REST
Let server resume a broken transfer, for example, you download a large file from server, and the transfer is not completed if your internet connection losted, so when you start the transfer again, Our FTP client will send a REST command to let server starts transfer from specified file position, Saves your bandwidth and time!