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### 3.5 Closing cluster connections

Loadable Function: sclose (connections)

  Close the parallel cluster network to which connections belongs.

  See `pconnect` for a description of the connections variable. All connections of the network are closed, even if connections contains only a subnet or a single connection.

  See also: pconnect, pserver, reval, psend, precv, parallel_generate_srp_data, select_sockets.