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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
A utility that can be used to manage DPM packages using a graphical interface.
Aptitude
26
A speed-improved version of the yum command used on modern Linux distributions.
dnf (Dandified YUM) command
27
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.
zmore command
28
A file that contains executable code that can be used by multiple, different programs. It is the most common type of package dependency.
shared library
29
Used to create and restore image backups.
dd command
30
The process whereby an archive is copied to another computer across the Internet.
offsite backup
31
Used to compress files using a Lempel–Ziv compression algorithm.
compress command
32
Used to install and upgrade DPM packages from software repositories, as well as manage and remove installed DPM packages.
apt-get command
33
Used to download files from the Internet
wget (Web get) command
34
Used to compress files using a Lempel–Ziv compression algorithm.
xz command
35
A package manager commonly used on Linux distributions derived from Red Hat Linux, and the default package manager used on Fedora Linux.
Red Hat Package Manager (RPM)
36
Used to decompress files compressed by the bzip2 command.
bunzip2 command
37
A software repository that hosts the same RPM or DPM packages as other software repositories for fault tolerance and load balancing of download requests
software mirror
38
Used to start the Aptitude utility.
aptitude command
39
Used to search and display the contents of an archive created with compress, zip, or gzip to Standard Output.
zgrep command
40
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.
rsync (remote sync) command
41
A common disc burning software used on Linux systems.
Brasero
42
Used to download Web pages and files from the Internet.
curl (client for URLs) command
43
Used to decompress files compressed by the compress command.
uncompress command
44
An archive of a filesystem that contains only files that were modified since the last archive was created.
incremental backup
45
Used to compress files using a Lempel–Ziv compression algorithm.
gzip (GNU zip) command
46
Used to compress files using a Lempel–Ziv compression algorithm.
zip command
47
Used to compile source code written in the C programming language into binary programs.
gcc (GNU C Compiler) command
48
Used to create full and incremental backups of files on an ext2, ext3, or ext4 filesystem.
dump command
49
Used to search DPM repositories for package information.
apt-cache command
50
Used to search for, install, and upgrade DPM packages from software repositories, as well as view, manage, and remove installed DPM packages.
apt (Advanced Package Tool) command
51
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.
zypper command
52
Used to reconfigure the installation settings for an already-installed DPM package.
dpkg-reconfigure command
53
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.
*sum commands
54
The most common command used to back up files to an archive. It can also be used to view and restore archives.
tar (tape archive) command
55
Used to add repository information to the DPM repository database.
add-apt-repository command
56
The process whereby files are copied to an archive.
system backup
57
An archive of a filesystem that contains only files that were modified since the last full backup was created.
differential backup
58
A package manager used on Debian and Debian-based Linux distributions, such as Ubuntu Server.
Debian Package Manager (DPM)
59
Used to display the contents of an archive created with xz to Standard Output.
xzcat command
60
Used to search and display the contents of an archive created with bzip2 to Standard Output.
bzgrep command
61
Used to interact with FTP servers using SFTP.
sftp (secure FTP) command
62
Used to install and upgrade RPM packages from software repositories, as well as manage and remove installed RPM packages.
yum (Yellowdog Updater Modified) command
63
A list of packages that are prerequisite to the current package being installed on the system.
package dependency
64
Displays the shared libraries used by a certain program.
ldd command
65
A group of RPM packages that are commonly installed to provide a specific function on the system.
package group
66
Used to install, query, and remove RPM packages.
rpm command
67
Used to display the contents of an archive created with bzip2 to Standard Output in a page-by-page fashion using the less command.
bzless command
68
Used to display the contents of an archive created with compress, zip, or gzip to Standard Output.
zcat command
69
An archive of all files on a filesystem.
full backup
70
A program that can be used to install, update, and remove RPM packages within a desktop environment on Fedora 28.
Software utility

NOS-120 (10 decks)

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