Which of the following commands is used to initialize a Linux system setup on bare metal hardware from a remote device?

The command associated with initializing a Linux system setup on bare metal hardware from a remote device is related to UEFI, or Unified Extensible Firmware Interface. UEFI is a modern firmware interface that initializes hardware and loads the operating system. It replaces the traditional BIOS firmware, providing more features and improved performance.

In the context of setting up a system from a remote device, UEFI can support network booting options such as PXE (Preboot Execution Environment), allowing the system to load an operating system image over the network. This is particularly useful in environments where machines are deployed without local storage.

The other options do not specifically pertain to initializing a Linux system from remote hardware. "Boot" generally refers to the process of starting up a system but is not a command by itself. "Load" does not correspond to a standard command used in this context. Similarly, "init" is a command traditionally used to manage system initialization processes after the kernel has booted but does not directly relate to remote initialization of systems. Therefore, UEFI is the correct choice as it encompasses the necessary functionalities for initializing a Linux system from a remote location.