Kernel module in linux os.

Kernel module in linux os.

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   Kernel modulesare pieces of code that can be loaded and unloaded into the kernel upon demand. They extend the functionality of the kernel without the need to reboot the system.  There are two types of kernels:  A microkernel  A monolithic kernel  Hybrid kernel  Exo kernel
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   Linux (kernel)modules are compiled software modules that the can be dynamically loaded by the kernel (using a utility program by the system administrator) that extend the features of the Linux kernel. This includes (but is not limited to) such features as:  Device Drivers  Networking Protocols  Firewall (iptables and iptables6) features  GPU drivers  File systems
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   Kernel View:-
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   Donot definemain ()function  It will be loaded dynamically  Runs in kernel space  Links only to kernel
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  COMMANDS  Modprobe isthe command used to insertion as well removing the kernel module  UAPI used to create user space API headers.  init linux initialization