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Hans runs on Linux as a client and a server.
It runs on FreeBSD client only.

NOTE: that Hans cannot receive echo requests on BSD systems.
Therefore the server only works on Linux.

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### Running as a server ###

% hans -s 10.1.2.0 -r -p password -u nobody

### Running as a client ###

% hans -c server_address -p password -u nobody

### Help ###

% hans

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