Kernel Interview Questions and Answers

Updated 28 Jun 2025

Asked in Sorcflow

3d ago

Q. What do you do if the kernel gets stuck during an update?

Ans.

If kernel stuck in update, we can try to reboot the system and check for any errors.

Try to reboot the system
Check for any errors
If the issue persists, try to boot into a previous kernel version
If all else fails, reinstall the kernel

Asked in Paychex IT Solutions India

2d ago

Q. Describe the boot process of the kernel.

Ans.

The kernel boot process involves several stages from power on to loading the operating system.

BIOS/UEFI firmware initializes hardware components
Bootloader (such as GRUB) loads the kernel into memory
Kernel initializes essential system components
Init p...read more

Asked in Nexus

1d ago

Q. What is the difference between a kernel and an operating system?

Ans.

Kernel is the core part of an operating system that manages system resources, while OS is the entire operating system including kernel and other components.

Kernel is the central component of an operating system responsible for managing resources such...read more

Asked in L&T Technology Services

6d ago

Q. What is the interrupt method in the kernel?

Ans.

The interrupt method in the kernel is a mechanism used to handle hardware interrupts and prioritize their execution.

The interrupt method is a part of the kernel's interrupt handling mechanism.
It is responsible for handling hardware interrupts and det...read more

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Asked in Capgemini

3d ago

Q. Where are the kernel files located, and what are they?

Ans.

Kernel files are located in /usr/sap//SYS/exe//

Kernel files are the core components of the SAP system
They are responsible for managing system resources and executing processes
Kernel files are platform-specific and are stored in the /usr/sap//SYS/exe/...read more