As an Amazon Associate I earn from qualifying purchases.

What is Kernel Mode in Operating System? PDF Download

Learn Kernel Mode definition in operating system with explanation to study “What is Kernel Mode”. Study kernel mode explanation with operating system terms to review operating system course for online degree programs.

Kernel Mode Definition:

  • A privileged mode of execution reserved for the kernel of the OS.

    Operating Systems by William Stallings

Kernel Mode Explanation:

There are two main modes i.e. Kernel mode and User mode. In kernel mode, the code that is being executed has complete and unrestricted authority and control over the underlying machine (hardware). It occurs when an application program that is being executed requests the help from a system call or an interrupt or operating system.

Keep Learning Operating System Explanations

What is Cache Memory?

Cache memory also known as the CPU memory is a volatile very high-speed Static Random Access Memory (SRAM) that a ...

What is Malicious Software?

Malicious software also called Malware (Mal from Malicious and ware from Software) is any software program that brings harm to ...

What is Time Sharing?

Time sharing is a technique which enables multiple users located at different terminals to use a particular computer system at ...

What is Time Slicing?

Time slicing is a process of dividing time into small periods in which a process is allowed to run uninterrupted ...

What is Disabled Interrupt?

A disabled interrupt is created by the operating system in order to gain access to internal data structures for a ...

What is Central Processing Unit (CPU)?

Central Processing Unit (CPU) sometimes referred to as the central processor, but more commonly called a processor is the brain ...