Americans should keep a supply of food and water on hand and save their bank records, but they needn’t worry about major disruptions – or inadvertent nuclear war – when computer clocks reach the year 2000, the White House’s top official on the Y2K problem says.

The federal government’s computer systems have been fixed, the nation’s aviation and railroad systems are safe, power grids and communications systems will hold and banks are in good shape, John Koskinen, President Clinton’s chief Y2K adviser, said Sunday on CNN’s “Late Edition.”