Kernel
Kernel Interview Questions and Answers 2024
7 questions found
Updated 10 Dec 2024
Q1. What is karnel? What is dns?
Kernel is the core of an operating system that manages system resources. DNS is a system that translates domain names to IP addresses.
Kernel is responsible for managing memory, input/output requests, and system calls.
DNS stands for Domain Name System and is used to translate domain names to IP addresses.
DNS servers maintain a database of domain names and their corresponding IP addresses.
Without DNS, users would have to remember IP addresses to access websites instead of domai...read more
Q2. If kernal stuck in update what we do
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
Q3. Describe the boot process of kernel.
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 process starts user space processes
System is ready for user interaction
Q4. Difference between kernel and OS
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 as memory, CPU, and I/O.
OS includes the kernel along with other components like user interface, system utilities, and applications.
Examples of kernels include Linux kernel, Windows NT kernel, and macOS XNU kernel.
Examples of oper...read more
Q5. What is interrupt method in kernel
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 determining their priority.
The interrupt method is typically implemented as a function or a set of functions in the kernel code.
It is used to manage and process interrupts from various hardware devices.
The interrupt method may involv...read more
Q6. How karnel work. How to check load ?
Kernel is the core of an operating system. Load can be checked using commands like top, uptime, and vmstat.
Kernel is responsible for managing system resources and providing services to other programs.
Load refers to the amount of work being done by the system, measured by the number of processes waiting to be executed.
Commands like top, uptime, and vmstat can be used to check the load on the system.
top displays real-time information about processes and their resource usage.
upt...read more
Q7. Kernel files are existing in which location & what are they
Kernel files are located in /usr/sap/
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/ / directory Examples of kernel files include disp+work, icman, and msg_server
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