New terms and their definitions: Course module Android: a mobile operating system based on Linux Application



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New terms and their definitions

Scalability: The measure of a system’s ability to increase or decrease in performance and cost in response to varying loads in system processing demands
Shell: A program that interprets text commands and sends them to the OS to execute
SSH (Secure shell): A protocol implemented by other programs to securely access one computer from another.
SSH authentication key: A secure authentication method for accessing a computer from other device
SSH client: A program you must have installed on your device in order to establish an SSH connection with another device
SSH server: Software installed on a machine that allows for that device to accept an SSH connection
Standardization: The process of developing and implementing common technical standards for IT products, systems, and processes.
Swap space: The allocated space where the virtual memory is stored on the hard drive when the amount of physical memory space is used up or full
System: A group of hardware components and software components that work together to run the programs or processes in the computer
System settings: Settings like display resolution, user accounts, network, devices, etc.
Task bar: It gives us quick options and shows us information like network connectivity, the date, system notifications, sound etc
Terminal: A text based interface to the computer
Time slice: A very short interval of time that gets allocated to a process for CPU execution
Ubuntu: The most popular Linux consumer distribution
User name: A unique identifier for a user account
User space: The aspect of an operating system that humans interact with directly like programs, such as text editors, music players, system settings, user interfaces, etc.
Virtual Box: An application you can use to install Linux and have it completely isolated from your machine
Virtual machine (VM): An application that uses physical resources like memory, CPU and storage, but they offer the added benefit of running multiple operating systems at once

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