how to use rsync installed on network

[e-letter]

On 07/09/2009, Matt McCutchen <matt at mattmccutchen.net> wrote:
> On Mon, 2009-09-07 at 23:22 +0100, e-letter wrote:
>> Scenario: file.txt on local machine, to be transferred to remote host.
>> Remote host has rsync installed. Reading the manual I the examples
>> describe scenarios where rsync is installed on the local machine. Is
>> rsync suitable to use when installed on the remote host?
>
> To do a remote transfer, rsync needs to be installed on both the local
> host and the remote host.
>
This is not stated in the manual.

Using rsync on the remote host, what is the command syntax to transfer
a local machine file to the remote machine?