OnCore Systems has developed a port of its embedded operating system (OS) for the PowerPC 405 that uses features of the on-chip memory management unit (MMU) to reduce the effects of using memory ...

Virtual memory is a valuable concept in computer architecture that allows you to run large, sophisticated programs on a computer even if it has a relatively small amount of RAM. A computer with ...

The Zephyr Project is an open-source project—an operating system that targets the low end of the Internet of Things (IoT). It can be run on small microcontrollers and higher-end ones alike. It also ...

Editor's Note: Demand for increasing functionality and performance in systems designs continues to drive the need for more memory even as hardware engineers balance the dynamics of system capability, ...

A new feature in Apple's upcoming OS X is reminiscent of a past technology for enhancing RAM use in Macs. Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt ...

Many IT professionals think of virtualization in terms of virtual machines (VM) and their associated hypervisors and operating-system implementations, but that only skims the surface. An increasingly ...

Cloud infrastructure providers like Amazon Web Service sell virtual machines. EC2 revenue is expected to surpass $1B in revenue this year. That's a lot of VMs. It's not hard to see why there is such ...

Virtual memory, also known as a Page file, adds to the physical RAM by using disk space. However, moving the page file to a secondary SSD can help free up space if you run out of space on the primary.