Relational Databases - Database Management System
Subject and UNIT: Database Management System: Unit I: Relational Databases
Definition: A Database Management System (DBMS) is a collection of interrelated data and various programs that are used to handle that data.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
The iOS Software Development Kit (SDK) contains the tools and interfaces needed to develop, install, run and test native apps that appear on an iOS device's Home screen.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
Android uses a file system that's similar to disk-based file systems on other platforms. A file object is suited to reading or writing large amounts of data in start-to-finish order without skipping around.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
iOS is the operating system that runs on iPad, iPhone and iPod touch devices. The operating system manages the device hardware and provides the technologies required to implement native apps.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
Android is an open source mobile OS developed by the Open Handset Alliance, to led by Google.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
Operating system aspects of virtualization are management, I/O storage and unique VM migration feature.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
In computing, a hypervisor is a virtualization platform that allows multiple operating systems to run on a host computer at the same time. The term usually refers to an implementation using full virtualization.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
Problem with VMM is that, guest OS expects to have unrestricted access to hardware, runs privileged instructions, unlike user processes. But one guest cannot Man get access, must be isolated from other guests.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
IBM announced its first official VM product, VM/370, on August 2, 1972 for the System/370. Virtualization was provided by the IBM VM operating system.
Virtual Machines and Mobile OS - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit V: Virtual Machines and Mobile OS
Virtual Machine (VM) is virtual environment that functions as a virtual computer system with its own CPU, memory, network interface, and storage, created on a physical hardware system.
File System - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit IV(b): File System
Link Links a file to a new name in the file system directory structure, creating a new directory entry for an existing node.
File System - Introduction to Operating Systems
Subject and UNIT: Introduction to Operating Systems: Unit IV(b): File System
Space that is allocated to files must be managed and space which is not allocated to any file must be managed. To keep track of free disk space, the system maintains a free space list.