#!/bin/sh set -ex insmod /seq_file.ko cd /sys/kernel/debug cat 'lkmc_seq_file' # => 0 # => 1 # => 2 cat 'lkmc_seq_file' # => 3 # => 4 # => 5 # TODO understand, why does this print nothing? dd if='lkmc_seq_file' bs=1 count=2 skip=2