A
kernel is a computer program that interfaces with the hardware in your
computer. The Linux kernel is a fundamental part of a Linux operating
system. It is released under the GPL (GNU General Public License), which
allows public access to the source code. It was created in 1991 by
Finnish computer science student Linus Torvalds. Today, thousands of
developers from all over the world contribute to the development of the
Linux kernel.
Generally, most kernels fall into one of three types: monolithic, microkernel, and hybrid. Linux is a monolithic kernel which means that the entire operating system is working in kernel space and is alone in supervisor mode.
Diagram of a monolithic kernel (Photo credit: Wikipedia)
To find out the kernel version of your Linux installation, use the uname -a command:
In the picture above we can see that the kernel version is 3.0.76-0.11
Generally, most kernels fall into one of three types: monolithic, microkernel, and hybrid. Linux is a monolithic kernel which means that the entire operating system is working in kernel space and is alone in supervisor mode.
Diagram of a monolithic kernel (Photo credit: Wikipedia)
To find out the kernel version of your Linux installation, use the uname -a command:
In the picture above we can see that the kernel version is 3.0.76-0.11
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