A fundamental overview of operating systems (OSes) with an emphasis on practice. Topics covered include: OS structure, OS models, OS abstractions, concurrency sources, concurrency challenges, ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...

These issues crop up in rapidly growing businesses. Staff members may have been over-promoted or be working in roles where they don’t perform at their best. If there aren’t clearly documented methods, ...

Abstractions are the keystone of the dynamic ecosystem of information and communication technology. You can think of them as allowing you to drive a car without understanding how the engine or ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...

Ultimately, every problem in the constantly evolving IT software stack becomes a database problem, which is why there are 418 different databases and datastores in the DB Engines rankings and there ...