Java is an unique platform, where the user can be able to install and run more than one version of it on the same system. New version of Java known as OpenJDK is widely used in Linux distribution, which implements Java application. Since Java is a compiled language, it can be written with the help of any text editor. Millions of websites and applications nowadays are using this platform, because of its secure, fast and reliable nature.
LVM allows managing disks in a virtual disk with virtual partitions from physical partitions. LVM is a device mapper target that provides logical volume management for the Linux kernel. It contains the Volume Groups can be resized by absorbing new physical volumes or ejecting existing ones. Logical volumes can be moved between Physical Volumes.
Linux Kernel is a core component, which offers all the basic services needed for a computer operating system. It is easily replaceable application software, which is interfaced with the computer hardware. It consists of an interrupt handler, scheduler and supervisor. The interrupt handler handles all the completed I/O operations or requests. A scheduler decides the type of programs that need to be shared with the processing time of a Linux kernel. A supervisor manages each and every process in the system, while it is being scheduled.It is contrasted with the outermost part of an operating system known as a shell, which interacts with user commands. The three different types of kernels are microkernel, monolithic kernel and hybrid kernel.
Android was initially developed for touch-screen devices, smartphones and tablets. Android uses direct manipulation in its user interface. Any actions such as swiping, tapping and pinching from the user are manipulated on the screen objects. A virtual keyboard is also given to the users to get their text input.Although Android is considered to be a Linux distribution by many, it does not possess GNU C library which is found in other traditional Linux distributions. Instead, it uses Bionic as an alternative C library.