Anoscopy. A tube called an anoscope is used to look at the inside of your anus and rectum. Doctors use anoscopy to diagnose hemorrhoids, anal fissures (tears in the lining of the anus), and some cancers.To continue reading this article, you must login.octors use anoscopy to diagnose hemorrhoids, anal fissures (tears in the lining of the anus), and some cancers. To continue reading this article, you must login.
More commonly called OS-level virtualization. A type of server virtualization technology which works at the OS layer. The physical server and single instance of the operating system is virtualized into multiple isolated partitions, where each partition replicates a real server.
In protected mode the operating system kernel runs at a higher privilege such as ring 0, and applications at a lower privilege such as ring 3. In software-based virtualization, a host OS has direct access to hardware while the guest OSs have limited access to hardware, just like any other application of the host OS.