What operation system is typically associated with early personal computers?

The Disc Operating System, commonly known as DOS, is indeed the operating system typically associated with early personal computers. DOS was widely used in the early days of personal computing due to its simplicity and efficiency in managing files and running programs.

Developed originally for IBM-compatible computers, DOS enabled users to interact with their hardware and software through a command-line interface. This was a common platform before the advent of graphical user interfaces. DOS was foundational in the development of later operating systems, and its influence can still be seen in the command-line interfaces of modern systems.

Windows, while a prominent OS today, came after DOS and relied on it for its earlier versions. Linux and Mac OS also gained prominence later and were not the primary operating systems for early personal computers. Thus, DOS rightly stands out as the representative operating system of early personal computing.