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CompTIA® A+ Certification Prep 2: Software > Lesson 6 - Chapter 4: Linux Basics > Flashcards

Lesson 6 - Chapter 4: Linux Basics Flashcards

1
Q

What is one of the most popular GUIs for Ubuntu Linux called?

A

Unity

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2
Q

What’s the basic file system for virtually all Linux distros?

A

Extended file system (ext)

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3
Q

What are the 2 most commonly used file systems for Linux?

A
  1. ext3
  2. ext4

(both are 64-bit file systems with journaling support)

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4
Q

How is ext4 better than ext3? (4)

  1. speed
  2. max file size
  3. max partition size
  4. allowed
A
  1. Faster, more efficient
  2. Larger maximum file size (16 TB vs 2 TB)
  3. Larger maximum partition size (1 EB vs 32 TB)
  4. More subdirectories allowed per directory (64,000 vs 32,000)
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5
Q

What’s the main reason you would choose an ext3 file system instead of ext4?

A

so you can share that ext3 partition with Windows (useful for multiboot system so it’s accessible by Windows)

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6
Q

What’s an ISO file?

A

an image file for a bootable DVD

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7
Q

After you downloaded an ISO file to create a virtual machine or multi-boot system, what 3 options do you have for installing it?

A
  1. Use the virtual machine manager software to attach the ISO as a virtual drive
  2. If the PC has an optical drive, use a DVD-burning app to burn the ISO file to a blank DVD
  3. If the PC doesn’t have an optical drive, create a bootable flash drive with a utility using the ISO file
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8
Q

What do you do after the initial steps to create a virtual machine/multi-boot system? (2 ways)

A
  1. Virtual machine = Create a new virtual machine with defaults
  2. Install on physical PC = boot from DVD/USB, install OS on a different partition if the PC already contains an OS
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9
Q

Where do you go to manage startup apps?

A

a utility called Startup Applications

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10
Q

How do you access the Startup Applications utility to control startup apps?

A

from the Show Applications screen (click the 9 dots in the lower left corner)

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11
Q

What tool manages Ubuntu’s system updates?

A

Software Updater

(accessible from Show Applications 9 dot icon)

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12
Q

Where do you go to control how often to check for updates and how they should be handled?

A

Software Updater > Settings

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13
Q

What is Linux’s command prompt called?

A

Terminal

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14
Q

What’s the shortcut to open the Terminal?

A

Ctrl+Alt+T

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15
Q

What is Samba?

A

Samba is an open-source application that enables systems with different OS on the same LAN to communicate and share files

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16
Q

Does Samba come with most Linux distros?

A

No you have to download it

17
Q

Is Samba GUI-based or command-line-based?

A

Samba is a command-line based app but the Samba Server Configuration Tool GUI is available to help you avoid remembering all the commands

18
Q

Why is malware rare for Linux desktops particularly Ubuntu? (3)

A
  1. the OS is not that popular
  2. Linux’s user base is more tech-savvy means less security mistakes
  3. Linux’s file security settings discourage malware being installed/damage from it
19
Q

Is there anti-malware and anti-virus software available for Linux?

A

Yes, doesn’t hurt to deploy them to be extra safe

20
Q

What’s one of the most popular methods of file-level backup for Linux?

A

the rsync command (short for Remote Sync)

21
Q

How does the Remote Sync (rsync) backup work? Is it GUI or command-line based? What type of backup does it do?

A

It’s a command-line operation and uses an incremental backup system that can be automated in scripts

22
Q

Are there GUI backup utilities available for Linux?

A

Yes

(Deja Dup, Grsync, Timeshift, Back in Time, UrBackup)

23
Q

Why is rsync popular with admins?

A

You can back up to an external drive or another remote system and automate the process with scripting

24
Q

What’s the max file size for ext4?

A

16 TB

25
Q

What’s the max file size for ext3?

A

2 TB

26
Q

What’s the maximum partition size for ext4?

A

1 EB

27
Q

What’s the maximum partition size for ext3?

A

32 TB

28
Q

How many subdirectories are allowed for ext 4 and ext3?

A

ext4 - 64,000
ext3 - 32,000

29
Q

Both ext3 and ext4 are compatible with Windows. T or F?

A

False, only ext3 is compatible with Windows

30
Q

What does recursive mean? (the -r option) in Linux

A

It means it takes into consideration all of the directory’s contents

31
Q

What is the -a option and why is it preferred over the -r recursive option?
On top of being… it also….
(5)

A

On top of being recursive, it also preserves attributes such as symbolic links, file ownerships, permissions, and modification times

32
Q

What does the -v option mean?

A

Verbose, it prints out what you’re doing

CompTIA® A+ Certification Prep 2: Software (45 decks)

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