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Linux SSD caching (dm-cache)

The Linux 3.9 kernel (made available on April 28, 2013) introduces SSD caching. The kernel's Device mapper now includes a cache target called dm-cache that enables SSDs or other storage device to be used as a cache for a hard drive. It essentially speeds up data writes and reads as it allows the faster SSD to first cache data and then transfer it to the slower hard drive.

8 Agenda Apps to Help Students Stay Organized

Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »

List of Free Shorten URL Services

A URL shortener is a way to make a long Web address shorter. Try this list of free services. Read More »

Top 10 Tech Terms of 2015

The most popular Webopedia definitions of 2015. Read More »

Java Basics, Part 1

Java is a high-level programming language. This guide describes the basics of Java, providing an overview of syntax, variables, data types and... Read More »

Java Basics, Part 2

This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Read More »

The 7 Layers of the OSI Model

The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »