Linux Kernel Module - Application

Linux Kernel Module is an application created in 1996.

#1692on PLDB

28Years Old

As of Linux kernel version 2.6, KO files are used in place of .O files and contain additional information that the kernel uses to load modules. The Linux program modpost can be used to convert O files into KO files.

Linux Kernel Module first developed in Linux Kernel Organization, Inc
file extensions for Linux Kernel Module include ko and mod
Read more about Linux Kernel Module on the web: 1.

Example from the web:

/*
 * hello−1.c − The simplest kernel module.
 */
#include <linux/module.h> /* Needed by all modules */
#include <linux/kernel.h> /* Needed for KERN_INFO */
int init_module(void)
{
 printk(KERN_INFO "Hello world 1.\n");
 /*
 * A non 0 return means init_module failed; module can't be loaded.
 */
 return 0;
}
void cleanup_module(void)
{
 printk(KERN_INFO "Goodbye world 1.\n");
}

Example from the web:

fs/mbcache.ko
fs/mbcache.o