How to transfer files using SFTP ?

Connect using SFTP - Opens SFTP session

sftp username@hostname_or_IP

Transferring remote files to local system

Downloads file in local with the same name
get remoteFile

Downloads file with the different name
get remoteFile localFile

Copy a directory and all of its contents
get -r someDirectory

Transferring local files to remote System

Upload file from local to remote
put localFile

Upload directory
put -r localDirectory

Example

sftp -vvv -oCheckHostIP=no -oPasswordAuthentication=no -oIdentityFile=~/.ssh/id_dsa user@host

put "file.txt" "/inputpath/dir"