Windows installation
The software under Windows is easy to install, directly through the link: https://winscp.net/eng/download.php . You can install it.
Unless it is a directory where files need to be changed during installation, other options do not need to be modified, and it is fine to install directly.
Ubuntu cheap
sudo apt-get install yum
sudo apt-get install openssh-server
Install the components of sshd directly using the above command.
sudo ps -e |grep ssh
Then use the command above to see if it is turned on.
If the picture above appears, it means that sshd has been turned on and file transfer can be carried out.
File transfer configuration
Open the installed WinSCP software in the Windows system, there will be an upper dialog box, fill in according to the content shown in the picture above. After filling in, you can log in.
Attach the Ubuntu system to view the IP address
. Enter ifconfig in the terminal command, and then find inet addr in the string of strings below, followed by the IP address of the Ubuntu system.