All posts by Tuna Peyo

Load kernel modules

May 28,93

You can load any module that has been compiled and installed to a /lib/modules subdirectory using two commands: insmod and modprobe. …

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Kernel modules

May 28,93

A kernel module is an object file that contains code to extend the running kernel of an operating systems. It …

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DMA (Direct Memory Access)

May 28,93

DMA (Direct memory access) is an alternative method of communication to I/O ports that permits the device to transfer data …

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I/O ports

May 28,93

I/O (Input/Output) ports (also referred to as I/O addresses) are unique locations in memory reserved for communications between the CPU and …

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IRQ (Interrupt Request)

May 28,93

An interrupt request (IRQ) is a hardware signal sent to the processor instructing it to suspend its current activity and …

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proc filesystem (procfs)

May 28,93

The /proc directory in on a Linux system contains information about system resources. It is a virtual filesystem that is created dynamically by Linux …

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