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Operating Systems (Course 3)(Google Cert) > Week 3/4 > Flashcards

Week 3/4 Flashcards

1
Q

Microsoft install package (.msi)

A

Used to guide a program called the Windows Installer in the installation, maintenance, and removal of programs on the Windows operating system

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2
Q

What OS and file extension are Debian packages used?

A

Ubuntu and file extension is .deb

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3
Q

What is the command to install a .deb package?

A

dpkg -i

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4
Q

Side loading

A

The act of installing mobile apps directly without the used of an app store

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5
Q

Cache for mobile apps

A

The reserves storage on a mobile device for the app. By clearing the cache for an app you have restored it to its original settings and signed out of any accounts on it

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6
Q

Archive

A

Comprised of one or more files that’s compressed into a single file

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7
Q

Package archives

A

The core or source software files that are compressed into one file

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8
Q

Popular archive file extensions

A

.rar
.zip
.tar

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9
Q

What is the windows command for PowerShell to archive files?

A

Compress-Archive -Path [source] [archive_name]

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10
Q

How to extract a file in Linux

A

7z e [archive]

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11
Q

How to create an archive in Linux

A

tar -cf [archive_name] [file1] [file2] etc…

  • c is to create the archive
  • f tells bash that the name is what’s coming next
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12
Q

Having dependencies

A

Counting on other pieces of software to make an application work, since one bit of code depends on another, in order to work

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13
Q

Library

A

A way to package a bunch of useful code that someone else wrote

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14
Q

What is a cmdlet?

A

Any windows command that uses the verb-noun format

Get-Help
Find-Package

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15
Q

Package managers

A

Come with the works to make package installation and removal easier, including installing package dependencies

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16
Q

Installing something from the repository in Linux?

A

sudo apt install [file]

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17
Q

Personal Package Archive (PPA)

A

A software repository for uploading source packages to be built and published as an Advanced Packaging Tool (APT) repository by Launchpad

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18
Q

In Ubuntu, where are repository sources listed?

A

They are found in the /etc/apt/sources.list file

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19
Q

What is Launchpad?

A

Allows open source software developers to develop, maintain, and distribute software

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20
Q

What’s the Linux command to update software in the apt repository?

A

sudo apt update

21
Q

Driver

A

Used to help our hardware devices interact with our OS

22
Q

What’s the first thing Windows asks a new device for when it is first plugged in?

A

Hardware ID

23
Q

Character Device

A

Like a keyboard or mouse, transmit data character by character

24
Q

Block Devices

A

Like USB drives, hard drives, and CDROMs; transfer blocks of data; a data block is just a unit of storage

25
Q

What does uname command do in Linux? What does the -r flag after show you?

A

Shows you system information.

The flag shows you what kernel version you have.

26
Q

What are the command steps to update the Linux kernel?

A 
sudo apt update
Enter password
//this will update the apps on Linux first
sudo apt full-upgrade
//this will update the kernel if an update is available
27
Q

What does SD include in Linux?

A

Memory sticks, USB drives, and hard drives

28
Q

Filesystem

A

Used to keep track of files and file storage on a disk

29
Q

What is a recommended filesystem for Windows?

A

NTFS

30
Q

What is a recommended filesystem for Linux?

A

ext4

31
Q

Partition

A

The piece of a disk that you can manage

32
Q

Volume

A

A formatted filesystem on a partition

33
Q

Partition table

A

Tells the OS how the disk is partitioned

34
Q

Master Boot Record (MBR) ; memory size?

A

Traditional partition table used in the Windows OS ; <2TB volume size

35
Q

GUID Partition Table

A

Upcoming partition table replacing MBT table ; >2TB ; unlimited partitions

36
Q

What Windows native software can be used for partitioning disks

A

Disk Management Utility

37
Q

Mounting

A

Making something accessible to the computer, like a filesystem or a hard disk

38
Q

how to unmount a drive in Linux?

A

sudo unmount drive_location

39
Q

Swap Space

A

In Linux, the dedicated area of the hard drive used for virtual memory

40
Q

What command in Windows makes a symbolic link

A

mklink

41
Q

How do you make hard link in windows command prompt?

A

mklink /H

42
Q

What does an inode store in Linux?

A

File metadata - everything about the file except the file name and the file data

43
Q

How to specify a soft link and a hard link in Linux

A

ln -s filename //softlink

ln filename //hardlink

44
Q

Disk defragmentation

A

Takes all the files stored in a given disk, and reorganize them into neighboring locations

45
Q

Trim

A

Like disk defragmentation for hard disk drives, but for solid state drives

46
Q

How to view the disk utilization on linux

A

du -h

47
Q

Data buffer

A

A region of RAM that’s used to temporarily store data while it’s being moved around

48
Q

What’s the command to check on the self-healing process of a drive

A

fsutil repair query drive_name

Operating Systems (Course 3)(Google Cert) (5 decks)

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