A user wants to configure the application "myapp" to start on runlevels 2, 3, 4, and 5 every time the system starts.
Which of the following commands will accomplish this task?

The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

A systems administrator installed Git on a new workstation and wants to ensure all Git projects on this machine are initialized with the same username and email address.
Which of the following should the administrator use to meet this goal? (Choose two.)

Which of the following configuration files should be modified to disable Ctrl-Alt-Del in Linux?

A company wants to ensure that all newly created files can be modified only by their owners and that all new directory content can be changed only by the creator of the directory. Which of the following commands will help achieve this task?