Which of the following files is the default configuration file of XDM (X Window Display Manager)?

Which of the following commands is used to append the list of files in the /tmp directory to an
existing file named deletelater.txt?

You work as a Technician for Net World Inc. The company has a Linux-based network. You have
configured a file server on the company’s etwork. You want to summarize disk usage of each file
in a particular directory on the file server. Which of the following commands will you use?

You work as the Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. You are a root user on the Red Hat operating system. You want to keep an eye on the
system log file /var/adm/messages. Which of the following commands should you use to read the
file in real time?

You work as the Network Administrator for Tech Perfect Inc. The company has a Linux-based
network. You are working as a root user on the Linux operating system. You have created a file in
the vim text editor. You want to save this file and exit it. Which of the following keys should you
use to accomplish the task?

Which of the following commands is used to change file access permissions in Linux?

You work as a Network Administrator for Rick International. The company has a Linux-based
network. A process is running on a server. It is using a lot of processing power. You want the
process to use less resources. Which of the following actions will you perform to accomplish the
task?

Which of the following commands list the configured printers in a Linux network? Each correct
answer represents a complete solution. Choose all that apply.

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 change the
group membership of the file foo to group bar. Which of the following commands will he use to
accomplish the task?

Which of the following commands is used to view the PDF files in Linux?