# Allow using -M (ControlMaster) to create a master SSH session which
# "tunnels" other connections to the same host, thus reducing the number of
# authentications (which are relatively slow) and TCP connections. The master
# Allow using -M (ControlMaster) to create a master SSH session which
# "tunnels" other connections to the same host, thus reducing the number of
# authentications (which are relatively slow) and TCP connections. The master