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Linux System Administration and Virtualization Quiz

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#1

Which command is used to display the current date and time in Linux?

date
Explanation

Displays current date and time.

#2

What does the acronym 'GUI' stand for in the context of Linux?

Graphical User Interface
Explanation

Graphical interface for user interaction.

#3

What does the acronym 'VM' stand for in the context of virtualization?

Virtual Machine
Explanation

Virtualizes hardware for multiple OSes.

#4

What is the purpose of the 'df' command in Linux?

To check disk space usage
Explanation

Displays disk space usage.

#5

Which command is used to display the manual pages for a specific command in Linux?

man
Explanation

Displays manual pages for commands.

#6

Which command is used to create a new directory in Linux?

mkdir
Explanation

Creates a new directory.

#7

Which command is used to display the current user's username in Linux?

whoami
Explanation

Displays current user's username.

#8

Which command is used to list all files in a directory, including hidden files?

ls -a
Explanation

Lists all files, including hidden ones.

#9

What is the purpose of the 'chmod' command in Linux?

To change the file permissions
Explanation

Changes file permissions.

#10

What is the purpose of the 'grep' command in Linux?

To search for patterns in files
Explanation

Searches for patterns in files.

#11

What is the role of the 'cron' service in Linux?

To schedule recurring tasks
Explanation

Schedules recurring tasks.

#12

Which command is used to find the process ID (PID) of a running process in Linux?

ps
Explanation

Displays process IDs of running processes.

#13

Which virtualization software is commonly used for running multiple operating systems on a single host?

VirtualBox
Explanation

Runs multiple OSes on a single host.

#14

What does the acronym 'RAID' stand for in the context of storage management?

Redundant Array of Independent Disks
Explanation

Combines multiple disks for redundancy.

#15

What does the 'sudo' command do in Linux?

Switches to the superuser account
Explanation

Executes commands as superuser.

#16

What is the primary function of the 'iptables' command in Linux?

To configure network address translation (NAT)
Explanation

Configures NAT for networking.

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