Can a metal be charged by induction?

An electroscope has been charged by induction with the help of charged glassrod. The charge on the electroscope is

When a body is charged by induction the body

Charging By Induction

Charging a gold-leaf electroscope by conduction is inferior to the method of charging by induction-explain.

In charging a neutral object by induction, the side nearer to the positively charged object acquires negative charge.

What do you mean by induction in electrostatics? How can we charge a conductor by induction?