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ITEC 65 Open Source Technology > FL 1: Linux Operating System > Flashcards

FL 1: Linux Operating System Flashcards

1
Q

A Unix-like, open source and community developed operating system (OS) for computers, servers, mainframes, mobile devices and embedded devices

A

Linux

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2
Q

Creator of Linux

A

Linus Torvalds

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3
Q

Year when Linux is created

A

1991

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4
Q

Linus Torvalds was a student at?

A

University of Helsinki in Finland

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5
Q

He developed Linux as a _______

A

Unix-like operating system kernel

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6
Q

He developed Linux for?

A

his personal use

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7
Q

Under what license did Linus Torvalds released Linux?

A

GNU General Public License (GPL)

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8
Q

Components of Linux System (inner circle to outer circle - 4)

A

Hardware
Kernel
Shell
Applications, Utilities

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9
Q

refers to the software programs that users interact with to perform various tasks

A

Applications

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10
Q

is a command-line interface (CLI) that allows users to interact with the Linux system by typing commands.

It interprets commands entered by the user and executes them by invoking the corresponding system programs or built-in shell commands.

A

shell

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11
Q

core component of the Linux operating system.

it manages system resources such as CPU, memory, devices and file systems, and provides an abstraction layer between hardware and software

A

kernel

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12
Q

refers to physical components of a computer system, including the cpu, memory (ram), storage devices (hard drives, SSDs), i/o devices (keyboard, mouse monitor, printer), and peripherals (network adapters, usb devices)

A

hardware

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13
Q

are software tools and programs that perform specific tasks to manage the system, manipulate data, or facilitate user interactions.

Can be command-line tools or graphic applications

A

utilities

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14
Q

for web servers, database servers, file servers, email servers, and any other type of shared server

A

Server OS

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15
Q

for personal productivity computing.

A

Desktop OS

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16
Q

for systems that do not require a graphical user interface or directly connected terminal and keyboard

A

Headless server OS

17
Q

for systems that require limited computing function

A

Embedded device or Appliance OS

18
Q

for routers, switches, domain name system servers, home networking devices and more

A

Network OS

19
Q

for enterprise software development.

A

Software Development OS

20
Q

for cloud instances.

A

Clous OS

21
Q

Linux is used in following ways:

A
  1. Server OS
  2. Desktop OS
  3. Headless Server OS
  4. Appliance OS or Embedded device
  5. Network OS
  6. Software Development OS
  7. Cloud OS
22
Q

Two primary modes of operation:

A

Kernel Mode
User mode

23
Q

also known as supervisor mode or privileged mode.

A

Kernel mode

24
Q

it executes critical system tasks and manages processes, memory, and hardware devices.

A

kernel mode

25
Q

provides full control over the system and its resources, but also requires careful management to prevent unauthorized access or malicious actions that could compromise system stability and security

A

kernel mode

26
Q

is a low privilege level and is where most user-level applications and processes run

A

user mode

27
Q

applications and user level processes run in this mode, where they have limited access to system resources and must interact with the kernel through system calls

A

user mode

28
Q

provides level of isolation and protection to prevent applications from interfering with each other or causing system instability

A

user mode

29
Q

Linux Distributions:

A
  1. Ubuntu
  2. Debian
  3. Fedora
  4. CentOS
  5. Arch Linux
  6. openSUSE
30
Q

known for its user-friendly interface and large community support

A

Ubuntu

31
Q

a stable and versatile distribution often used as a base for other distributions

A

debian

32
Q

a cutting edge distribution sponsored by Red Hat, known for its frequent updates and emphasis on new technologies

A

Fedora

33
Q

a free, community-supported distribution based on the commercial Red Hat Enterprise Linux (RHEL)

A

CentOS

34
Q

a lightweight and customizable distribution designed for experienced users who prefer to build their systems from the ground up

A

Arch Linux

35
Q

a stable and user-friendly distribution with strong support for graphical administration tools

A

openSUSE

ITEC 65 Open Source Technology (4 decks)

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