Which of the following runlevel scripts of the /etc/init.d directory terminates all processes, removes swap space, unmounts all file systems, and either shuts down or reboots the computer?

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. The company is using the host-based access control to avoid unwanted access of the malicious users. John wants to add a new user, which can use X applications from the remote computer. Which of the following commands will John use to accomplish his task?

Each correct answer represents a complete solution. Choose all that apply.

Which of the following commands will display or change the file system label on the ext2 file system located on the specified device?

You are using RHEL 5 on your system. You want to know, what kernel version is currently running in RHEL 5. Which of the following commands will you use to accomplish this task?

Each correct answer represents a complete solution. Choose two.

Which of the following commands is used to create a new group in a Linux server?

Which of the following commands can be used to upgrade a package only if an earlier version of that package is already installed?

Each correct answer represents a complete solution. Choose all that apply.

Fill in the blank with the appropriate command.

The ________ command recursively removes files, which have not been accessed for a period of time.

Which of the following commands is used to mount file systems?

What command will you use to find the current runlevel of an active Linux session?

When installing RHEL in the graphical interface, which of the following switches can be used to specify a resolution?