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NOS-120 > Chapter 11 - Compression, System Backup, and Software Installation > Flashcards

Chapter 11 - Compression, System Backup, and Software Installation Flashcards

1
Q

Used to compress files using a Burrows–Wheeler Block Sorting Huffman Coding compression algorithm.

A

bzip2 command

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2
Q

A backup that writes data block by block to an archive without maintaining file structure information.

A

image backup

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3
Q

Used to convert an RPM package to an archive that can be accessed using the cpio command.

A

rpm2cpio command

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4
Q

Used to display the contents of an archive created with xz to Standard Output in a page-by-page fashion using the more command.

A

xzmore command

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5
Q

Used to decompress files compressed by the gzip command.

A

gunzip command

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6
Q

The set of instructions used to reduce the contents of a file systematically.

A

compression algorithm

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7
Q

Used to query installed DPM packages.

A

dpkg-query command

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8
Q

Used to decompress files compressed by the xz command.

A

unxz command

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9
Q

The amount that a file size is reduced during compression.

A

compression ratio

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10
Q

Used to extract archives created with the dump command.

A

restore command

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11
Q

Used to copy files to and from Linux computers using SSH encryption. It is often used to copy archives to remote computers.

A

scp (secure copy) command

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12
Q

The location (file or device) that contains a copy of files; it is typically created by a backup utility.

A

archive

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13
Q

A calculated value that is unique to a file’s size and contents.

A

checksum

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14
Q

Used to install, query, and remove DPM packages.

A

dpkg command

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15
Q

Used to display the contents of an archive created with bzip2 to Standard Output in a page-by-page fashion using the more command.

A

bzmore command

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16
Q

Used to search and display the contents of an archive created with xz to Standard Output.

A

xzgrep command

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17
Q

A server on the Internet that hosts RPM or DPM packages for download.

A

software repositories

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18
Q

Used to display the contents of an archive created with xz to Standard Output in a page-by-page fashion using the less command.

A

xzless command

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19
Q

Used to display the contents of an archive created with compress, zip, or gzip to Standard Output in a page-by-page fashion using the less command.

A

zless command

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20
Q

Used to update the /etc/ld.so.conf and /etc/ld.so.cache files.

A

ldconfig command

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21
Q

Used to back up a wide variety of file types, as well as view and restore files from a backup.

A

cpio (copy in/out) command

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22
Q

Used to display the contents of an archive created with bzip2 to Standard Output.

A

bzcat command

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23
Q

The process in which files are reduced in size by a compression algorithm.

A

compression

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24
Q

Used to decompress files compressed by the zip command.

A

unzip command

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25
Q

A utility that can be used to manage DPM packages using a graphical interface.

A

Aptitude

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26
Q

A speed-improved version of the yum command used on modern Linux distributions.

A

dnf (Dandified YUM) command

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27
Q

Used to display the contents of an archive created with compress, zip, or gzip to Standard Output in a page-by-page fashion using the more command.

A

zmore command

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28
Q

A file that contains executable code that can be used by multiple, different programs. It is the most common type of package dependency.

A

shared library

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29
Q

Used to create and restore image backups.

A

dd command

30
Q

The process whereby an archive is copied to another computer across the Internet.

A

offsite backup

31
Q

Used to compress files using a Lempel–Ziv compression algorithm.

A

compress command

32
Q

Used to install and upgrade DPM packages from software repositories, as well as manage and remove installed DPM packages.

A

apt-get command

33
Q

Used to download files from the Internet

A

wget (Web get) command

34
Q

Used to compress files using a Lempel–Ziv compression algorithm.

A

xz command

35
Q

A package manager commonly used on Linux distributions derived from Red Hat Linux, and the default package manager used on Fedora Linux.

A

Red Hat Package Manager (RPM)

36
Q

Used to decompress files compressed by the bzip2 command.

A

bunzip2 command

37
Q

A software repository that hosts the same RPM or DPM packages as other software repositories for fault tolerance and load balancing of download requests

A

software mirror

38
Q

Used to start the Aptitude utility.

A

aptitude command

39
Q

Used to search and display the contents of an archive created with compress, zip, or gzip to Standard Output.

A

zgrep command

40
Q

Used to copy files to and from Linux computers running the ______ service using SSH encryption. It is often used to copy archives to remote computers.

A

rsync (remote sync) command

41
Q

A common disc burning software used on Linux systems.

A

Brasero

42
Q

Used to download Web pages and files from the Internet.

A

curl (client for URLs) command

43
Q

Used to decompress files compressed by the compress command.

A

uncompress command

44
Q

An archive of a filesystem that contains only files that were modified since the last archive was created.

A

incremental backup

45
Q

Used to compress files using a Lempel–Ziv compression algorithm.

A

gzip (GNU zip) command

46
Q

Used to compress files using a Lempel–Ziv compression algorithm.

A

zip command

47
Q

Used to compile source code written in the C programming language into binary programs.

A

gcc (GNU C Compiler) command

48
Q

Used to create full and incremental backups of files on an ext2, ext3, or ext4 filesystem.

A

dump command

49
Q

Used to search DPM repositories for package information.

A

apt-cache command

50
Q

Used to search for, install, and upgrade DPM packages from software repositories, as well as view, manage, and remove installed DPM packages.

A

apt (Advanced Package Tool) command

51
Q

Used to install and upgrade RPM packages from software repositories, as well as manage and remove installed RPM packages on SUSE and openSUSE Linux distributions.

A

zypper command

52
Q

Used to reconfigure the installation settings for an already-installed DPM package.

A

dpkg-reconfigure command

53
Q

Used to verify the checksum on a file where * represents the checksum algorithm. For example, to verify a SHA1 checksum, you could use the sha1sum command.

A

*sum commands

54
Q

The most common command used to back up files to an archive. It can also be used to view and restore archives.

A

tar (tape archive) command

55
Q

Used to add repository information to the DPM repository database.

A

add-apt-repository command

56
Q

The process whereby files are copied to an archive.

A

system backup

57
Q

An archive of a filesystem that contains only files that were modified since the last full backup was created.

A

differential backup

58
Q

A package manager used on Debian and Debian-based Linux distributions, such as Ubuntu Server.

A

Debian Package Manager (DPM)

59
Q

Used to display the contents of an archive created with xz to Standard Output.

A

xzcat command

60
Q

Used to search and display the contents of an archive created with bzip2 to Standard Output.

A

bzgrep command

61
Q

Used to interact with FTP servers using SFTP.

A

sftp (secure FTP) command

62
Q

Used to install and upgrade RPM packages from software repositories, as well as manage and remove installed RPM packages.

A

yum (Yellowdog Updater Modified) command

63
Q

A list of packages that are prerequisite to the current package being installed on the system.

A

package dependency

64
Q

Displays the shared libraries used by a certain program.

A

ldd command

65
Q

A group of RPM packages that are commonly installed to provide a specific function on the system.

A

package group

66
Q

Used to install, query, and remove RPM packages.

A

rpm command

67
Q

Used to display the contents of an archive created with bzip2 to Standard Output in a page-by-page fashion using the less command.

A

bzless command

68
Q

Used to display the contents of an archive created with compress, zip, or gzip to Standard Output.

A

zcat command

69
Q

An archive of all files on a filesystem.

A

full backup

70
Q

A program that can be used to install, update, and remove RPM packages within a desktop environment on Fedora 28.

A

Software utility

NOS-120 (10 decks)

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