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lang-bash
/tmp/.man ssh,ControlPath,ControlMasterandControlPersistare valid options to pass ansshcommand using-o. Could be an even more precise use case, set up the multiplexing in the firstsshof the script and recycle it for the others, but otherwise avoid the performance penalty. I wonder what the benchmark of multiplexing VS not for 3 SSH connections, given that "There is also significant delay when opening a new connection"