An operating system was used/developed for the first time in which generation of computers?

An operating system was used/developed for the first time in which generation of computers?

کمپیوٹر کی کس نسل میں پہلی بار آپریٹنگ سسٹم استعمال/تیار کیا گیا تھا؟
Explanation

From Third generation operating systems were developed.

The period of third generation was from 1965-1971.

The computers of third generation used Integrated Circuits (ICs) in place of transistors.

A single IC has many transistors, resistors, and capacitors along with the associated circuitry.

The IC was invented by Jack Kilby.