LCA File Systems & Storage Management

Question 1

Which command is used to create a new ext4 file system in Linux?

Accepted Answer

mkfs.ext4

Answer

fsck.ext4

Answer

format

Answer

mkpartfs

Question 2

What is the purpose of the `mount` command in Linux?

Accepted Answer

To make a file system accessible at a specific directory

Answer

To create a partition.

Answer

To delete files.

Answer

To format a device.

Question 3

Which file contains the persistent mount information in Linux?

Accepted Answer

/etc/fstab

Answer

/etc/mtab

Answer

/etc/mount.conf

Answer

/etc/disktab

Question 4

What does the `df` command display?

Accepted Answer

Used and available disk space

Answer

File permissions

Answer

CPU usage

Answer

Memory usage

Question 5

What is LVM primarily used for?

Accepted Answer

Logical partition management

Answer

File compression

Answer

Network configuration

Answer

File permission settings

Question 6

Which command checks and repairs a Linux file system?

Accepted Answer

fsck

Answer

chkfs

Answer

repairfs

Answer

mount -r

Question 7

What does the `du` command do in Linux?

Accepted Answer

Shows disk usage per file/directory

Answer

Displays running processes

Answer

Updates software packages

Answer

Uninstalls unused packages

Question 8

Which tool can be used to create and manage partitions in Linux?

Accepted Answer

fdisk

Answer

lsof

Answer

top

Answer

uptime

Question 9

What is the purpose of the `/proc/mounts` file?

Accepted Answer

It shows currently mounted file systems

Answer

It shows memory usage.

Answer

It lists running processes.

Answer

It manages user accounts.