Chapter 16 - Basic Kernel Management

Question 1

What is Linux kernel?

Answer 1

It is the layer between the user who works with Linux from a shell environment and the hardware that is available in the computer on which the user is working

Question 2

What are kernel threads?

Answer 2

The operating system tasks that are performed by the kernel are implemented by different kernel threads. Kernel threads are easily recognized with a command like ps aux. The kernel thread names are listed between square brackets

Question 3

What are the tools provided by linux to see what the linux kernel is doing?

Answer 3

dmesg utility
/proc filesystem
uname utility

Question 4

Which command shows you continuos monioring of plugging and unplugging of hardware components?

Answer 4

systemd-udevd

udevadm monitor

Question 5

Which command lists all kernel modules that currently are used?

Answer 5

lsmod

Question 6

Which command to use to get more information about a specific kernel module?

Answer 6

modinfo