Topic 102.1 Design Hard Disk Layout

Question 1

What are the main file system locations in Linux

Answer 1

./ - root directory
/var - The variable location, log files and dynamic content
/home - User’s home directory contains personal files
/boot - The boot directory, where Linux kernel and supporting files are stored
/opt - Location used for optional software, often used by third-party software vendors.

Question 2

What is swap space

Answer 2

Swap is temporary storage that acts like RAM. When a percentage of RAM is full, the kernel will move less used data to swap. This is generally stored in a swap partition (most common) or a swap file.

Question 3

Explain partition and mount points in Linux.

Answer 3

Each drive is contained in /dev/sda

Question 4

How do you mount or display partitions in a Linux environment?

Answer 4

mount

Question 5

How do you display all block devices on a Linux system?

Answer 5

lsblk

Question 6

How do you list out partition information on a particular disk

Answer 6

fdisk -l /dev/diskname

Question 7

How do you show a summary of the swap drive usage?

Answer 7

swapon –summary

Question 8

What is LVM and what are the related commands?

Answer 8

Allows the creation of groups of disks or partitions that can be assembled into a single (or multiple) file systems. Can be used for nearly any mount point Except /boot. Flexibility, allows for resizing of volumes. Allows for snapshots.

pvs - Lists out the physical volumes

vgs - List out the volume groups within an LVM group

lvs - Lists out the logical volumes within an LVM group