Glossary 3 Flashcards

1
Q

Android

A

A mobile operating system based on Linux

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1
Q

Application

A

A computer program designed for a specific use

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2
Q

BIOS/UEFI

A

A low-level software that initializes our computer’s hardware to make sure everything is good to go

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3
Q

Block storage

A

It improves faster handling of data because the data isn’t stored in one long piece but in blocks, so it can be accessed more quickly

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4
Q

Boot

A

To start up a computer

Last step in booting a computer is User Space

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5
Q

Bootloader

A

A small program that loads the operating system

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6
Q

Chrome OS

A

A Linux-based operating system designed by Google

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7
Q

Command Line Interface (CLI)

A

A shell that uses text commands to interact with the operating system

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8
Q

Computer file

A

Data that we store and a file can be anything, a word document, a picture, a song, literally anything

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9
Q

Data blocks

A

Data that can be broken down into many pieces and written to different parts of the hard disk

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10
Q

Distributions

A

Some common Linux distributions are Ubuntu, Debian, and Red Hat

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11
Q

Etcher.io

A

A tool you can use to load an install image onto your USB device and make it bootable

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12
Q

File extension

A

The appended part of a filename that tells us what type of file it is in certain operating systems

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13
Q

File handling

A

A process of storing data using a program

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14
Q

File system

A

A system used to manage files.

Main Components of a file management are,
The storage of data, the file metadata, and the filesystem.

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15
Q

Finder

A

The file manager for all Macs

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16
Q

Folders/Directories

A

Used to organize files

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17
Q

Hardware resource deficiency

A

It refers to the lack of system resources like memory, hard
drive space, et cetera

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18
Q

HFS+/APFS

A

HFS+ is a journaling system developed by Apple Inc. and APFS is another but more encrypted Apple journaling system

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19
Q

Hostname

A

Used to identify the computer when it needs to talk to other computers

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20
Q

Input/Output device

A

A device that performs input and output, including monitors, keyboards, mice, hard disk drives, speakers, Bluetooth headsets, webcams, and network adapters

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21
Q

Install image

A

A downloadable operating system image used to install an operating system on a device

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22
Q

I/O management

A

Anything that can give us input or that we can use for output of data

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23
Q

iOS

A

A mobile operating system developed by Apple Inc.

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24
Q

Kernel

A

The main core of an operating system that creates processes, efficiently schedules them, and manages how processes are terminated

25
Q

Logs

A

Files that record system events on our computer

26
Q

Mac OS

A

Apple’s operating system

27
Q

Memory management

A

One of the functions that a kernel performs; it optimizes memory usage and make sure our applications have enough memory to run

28
Q

Meta Data

A

Tells us everything we need to know about a file, including who created it, when it was last modified, who has access to it, and what type of file it is

29
Q

Microsoft Terminal Services Client

A

A client program used to create RDP connections to
remote computers

30
Q

Open SSH

A

The most popular program to use SSH within Linux

31
Q

Operating system

A

The whole package that manages our computers resources and lets us interact with it.

Two Main parts of an operating system is Kernel and User space.

32
Q

PC

A

Personal computer, which technically means a computer that one person uses

33
Q

Plink (PuTTY Link)

A

A tool built into the command line after PuTTY is installed that is used to make remote SSH connections

34
Q

Powershell

A

A shell (program that interprets text commands) for Windows

35
Q

Power User

A

A above average computer users

36
Q

Process management

A

The capacity to manage the many programs in a system - when to run them, the order they run in, how many resources they take up, how long they run, etc.

37
Q

Qwiklabs

A

An online platform which provides training in cloud services

38
Q

Remote connection

A

The ability to connect an authorized person to a computer or network remotely; allows us to manage multiple machines from anywhere in the world

39
Q

Remote Desktop Protocol (RDP)

A

A secure network communication protocol developed by
Microsoft that allows a user to connect to another device remotely

40
Q

Scalability

A

The measure of a system’s ability to increase or decrease in performance and cost in response to varying loads in system processing demands

41
Q

Shell

A

A program that interprets text commands and sends them to the OS to execute

42
Q

SSH (Secure shell)

A

A protocol implemented by other programs to securely access one
computer from another.

43
Q

SSH authentication key

A

A secure authentication method for accessing a computer from other
device

44
Q

SSH Client

A

A program you must have installed on your device in order to establish an SSH connection with another device

45
Q

SSH server

A

Software installed on a machine that allows for that device to accept an SSH connection

46
Q

Standardization

A

A systematic way of naming host

47
Q

Swap Space

A

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

48
Q

System

A

A group of hardware components and software components that work together to fun the programs or processes in the computer

49
Q

System settings

A

Settings like display resolution, user accounts, network, devices, etc.

50
Q

Task Bar

A

It gives us quick options and shows us information like network connectivity, the date, system notifications, sound etc

51
Q

Terminal

A

A text based interface to the computer

52
Q

Time slice

A

A very short interval of time that gets allocated to a process for CPU execution

53
Q

Ubuntu

A

The most popular Linux consumer distribution

54
Q

User Name

A

A unique identifier for a user account

55
Q

User Space

A

The aspect of an operating system that humans interact with directly like programs, such as text editors, music players, system settings, user interfaces, etc.

56
Q

Virtual Box

A

An application you can use to install Linux and have it completely isolated from your machine

57
Q

Virtual machine (VM)

A

An application that uses physical resources like memory, CPU and
storage, but they offer the added benefit of running multiple operating systems at once

58
Q

Virtual memory

A

A combination of hard drive space and RAM that acts like memory which our processes can use

59
Q

VPN (Virtual private network)

A

A secure method of connecting a device to a private network
over the interne