A microkernel is an operating system architecture designed to be minimal and lightweight. It provides only fundamental services like process scheduling and inter-process communication, relegating most non-essential services such as device drivers to user space.

30. A microkernel is an operating system structure
that aims to keep the kernel as small and
lightweight as possible. It provides only essential
services, such as process scheduling and inter-
process communication, while moving most non-
essential services, like device drivers, into user
space.