Which of the following statements is true about Linux kernel?
Each correct answer represents a complete solution. Choose all that apply.

Which of the following commands is used to make a swap active after creating a new SWAP
partition?

In a Linux computer, which of the following files defines run levels for the processes to be started
up during boot up?

You work as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. You have to create user accounts for four new Management Trainees. You also have to
create a group named MT and provide membership of this group to the new user accounts. How
will you accomplish this?

John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. He wants to check the
errors of an ext2 filesystem. Which of the following commands can John use to accomplish the
task? Each correct answer represents a complete solution. Choose all that apply.