The scp command is available on Unix-based systems such as Linux and macOS, but it is not natively available on Windows.

To copy files between servers on a Windows system, you have several options:

    Use a third-party tool such as WinSCP, which provides a graphical user interface for securely copying files between servers using the SCP (Secure Copy) protocol.

    Use the sftp (Secure File Transfer Protocol) command in combination with a Unix-like environment such as the Windows Subsystem for Linux (WSL) or a third-party tool such as Cygwin or Git Bash. The sftp command is similar to the scp command and allows you to securely copy files between remote servers.

Regarding your second question, by default, the scp command will overwrite any existing files with the same name in the destination directory. If you want to preserve the existing files, you can add the -n option to the scp command, which will prevent it from overwriting existing files:

ruby

scp -n -r userA@serverA:~/Documents/training_results userB@serverB:~/training_results

In conclusion, while the scp command is primarily available on Unix-based systems, there are alternative solutions available for Windows systems. Additionally, the scp command will overwrite existing files with the same name in the destination directory, but this can be prevented by using the -n option.
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