What is the Linux Kernel?
The kernel is heart of the
Linux operating system. It manages
the resources of Linux. Resources
include:
- File management
- Multitasking
- Memory management
- I/O management
- Process management
- Device management
- Networking support including
IPv4 and IPv6
- Advanced features such as
virtual memory, shared
libraries, demand loading,
shared copy-on-write executables
etc
The kernel decides who will use
these resources and for how long
and when. It runs your programs or
sets up to execute binary files.
The kernel acts as an
intermediary between the computer
hardware and various applications.

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