How to put file to some ftp location

First copy the file you need scp to your folder(Here in this example its /Desktop/issue)
Then connect to Ftp server using following command.

sanjeewa@sanjeewa-TECRA-M11:~/Desktop/issue$ sftp username@ftp.test.com

Then enter your password

username@ftp.test.com's password:
Connected to ftp.test.com.

You can view the content of ftp location by following command.

sftp> ls
WSO0.1-0008.zip          WSO2-CARBON-PATCH-3.0.1-0013.zip     file1.zip        file2.zip      

Then copy your file using put command as follows.

sftp> put axis2-1.6.1.tar.gz

Note that  axis2-1.6.1.tar.gz file should be located at your machine /Desktop/issue
folder.