software abstractions / large software system / mental energy / user-space applications / printing function / even uniprocessor systems / userspace applications / system software / /
OperatingSystem
Unix / Linux / /
Position
driver / supervisor / device driver / prudent programmer / module writer / modularized driver / sample driver / programmer / driver at the same time / /
Product
Unix / /
Technology
operating system / operating systems / Unix / Linux / /