Fundamentals

Question 1

Outputs the first part of files

Answer 1

Head

Question 2

Change file owner and group

Answer 2

chown

Question 3

Prints lines matching a pattern

Answer 3

grep

Question 4

provides a limited interface for process manipulation and personal configuration

Answer 4

top

Question 5

provides a snapchat of current processes

Answer 5

ps

Question 6

terminates processes

Answer 6

kill

Question 7

DNS lookup utility

Answer 7

dig

Question 8

A network interface that allows internal communication on a computer

Answer 8

loopback device

Question 9

a utility to investigate network sockets and dump socket statistics, replaces nestat command

Answer 9

ss

Question 10

used to send echo requests

Answer 10

ping

Question 11

copy files and directories

Answer 11

cp

Question 12

remove empty directories, and option to remove prompt when deleting files

Answer 12

rmdir -f

Question 13

change timestamp for existing files or create new files

Answer 13

touch

Question 14

create a directory

Answer 14

mkdir

Question 15

a visual display editor

Answer 15

vi

Question 16

change current working directory

Answer 16

cd

Question 18

detects and maps connected devices

Answer 18

bios

Question 19

stores in the first block or a specific partition of the bootable device

Answer 19

bootloader

Question 20

performs a post

Answer 20

bios

Question 21

initiates the boot sequence from a conencted device

Answer 21

bios

Question 22

loads the kernel

Answer 22

bootloader

Question 23

loads the intrd image

Answer 23

bootloader

Question 24

Primary bootloader on linux distros

Answer 24

grub

Question 25

spawns all other processess parallelly

Answer 25

systemd

Question 26

a compressed image on boot directory of the filesystem

Answer 26

kernel

Question 27

brings system to a predefined state known as a target

Answer 27

systemd

Question 28

mounts the root filesystem

Answer 28

kernel

Question 29

Red Hat package Manager

Answer 29

RPM

Question 30

High level package managers for red hat

Answer 30

yum, dnf, zypper

Question 31

Debian package manager

Answer 31

dpkgq

Question 32

high level package managers for debian

Answer 32

apt, aptitutde, apt-get synaptic

Question 33

Distros that use dpkg

Answer 33

mint, ubuntu debian

Question 34

Man - f

Answer 34

lists all available pages

Question 35

Man - k

Answer 35

this will give any command that has to do with command you specify

Question 36

Software layer of kernel that provides the filesystem interface to user space programs and provides abstraction within the kernel

Answer 36

VFS

Question 37

Common linux filesystems

Answer 37

ext, xfs, btrfs

Question 38

Where the filesystem hierarchy begins

Answer 38

root

Question 39

contains user home directories specific config files and data

Answer 39

/home

Question 40

System wide configuration files that are used to control the operation of a program

Answer 40

/etc/

Question 41

locally installed software files contained here and its simialr to the root directory

Answer 41

/usr/local

Question 42

contains data for services provided by the system

Answer 42

/srv

Question 43

reserved for the installation of add-on app software package

Answer 43

/opt

Question 44

delete a user and remove files in home directory

Answer 44

userdel -r

Question 45

How do you view groups and see a list of users?

Answer 45

cat/etc/groups cat etc/passwd

Question 46

Add a user and remove home directory

Answer 46

useradd - M

Question 47

Change home directory for a user

Answer 47

usermod -d

Question 48

Chmod Octal permissions

Answer 48

read (4) write (2) execute (1)

Question 49

/etc/network debain /etc/network_scripts red hat