Chapter 16 (UNIX II)

Which command will display all processes and identify which are kernel thread?

• ps aux

• ps

• ps -e

• ps -A

Which of the following are kernel threads?

• [pool_workqueue_release]

• /sbin/init splash

• kworker/3:0

• bash

Which command will display the contents of the kernel ring buffer?

The Kernel in Linux OS sits in between Hardware and application software

• True

• False

A kernel

• Implements the basic functionality of the operating system

• Is always resident in memory

• Implements all functionality of the operating system

• Implements the file system, memory management and job scheduling

Which psuedo file system is an interface to the Linux kernel and contains files with detailed status information about what is happening on your server?

• /proc

• /etc

• /dev

• /kern

The uname -r command will display the currently running kernel version.

• True

• False

A ______ provides driver support and is loaded when required.

Which command can be used to monitor events that are processed while activating new hardware devices.

• udevadm monitor

• device monitor

• systemd-udevd monitor

• systemctl monitor

Which of the following will list currently loaded kernel modules?

• lsmod

• modinfo

• modprobe

• insmod