Dir(.etc.install_inf)
(["IP", "Nameserver"])
Read(.etc.install_inf.IP)
("1.2.3.4")
Write(.etc.install_inf.IP, "5.6.7.8")
(true)
WARNING! Ini agent cannot handle multiple entries with the same name,
such as Alias in install.inf. Use .etc.install_inf_alias instead.