Definition of BARE METAL


Bare Metal is a term used in various contexts, referring to the fundamental, unadorned state of something. Here are two common uses of the term:

Bare Metal Servers: In the context of computing and server infrastructure, bare metal often refers to physical servers that operate directly on the underlying hardware without the need for a hypervisor or virtualization layer.

Bare metal servers are dedicated, single-tenant machines that are not virtualized, providing direct access to the hardware resources. This can be advantageous for performance-intensive applications or workloads with specific hardware requirements.

Bare Metal Programming: With the realm of software development, bare metal programming refers to writing code that runs directly on the hardware without the abstraction provided by an operating system.

This type of programming is common in embedded systems, firmware development, or situations where direct control over hardware resources is essential. It involves interacting with the hardware at a low level, without the assistance of an operating system.

In summary, Bare Metal generally refers to a fundamental, unaltered state. In computing, it commonly relates to servers that operate directly on physical hardware or programming that interacts directly with the hardware without the abstraction of an operating system. The specific interpretation depends on the context in which the term is used.

Examples of BARE METAL in a sentence

  • In computing, bare metal refers to running software directly on the hardware without an intervening operating system.
  • Some high-performance applications benefit from running on a bare metal environment due to reduced overhead and increased efficiency.
  • Setting up a bare metal server allows for greater control and customization compared to virtualized environments.
  • Bare metal installations are common in embedded systems and real-time applications where predictability and low latency are critical.
  • Transitioning from a virtualized environment to a bare metal setup can require careful planning and consideration of hardware compatibility.
  • The IT team decided to deploy the new database server on bare metal to maximize performance and resource utilization.
  • Bare metal provisioning tools automate the process of deploying and managing servers without the need for a traditional operating system.
  • Cloud providers offer bare metal instances for customers who require dedicated hardware resources for their applications.

Etymology of BARE METAL

The term bare metal is a compound phrase consisting of “bare” and “metal.” Here’s the breakdown:

  • Bare: Meaning uncovered, naked, or exposed.
  • Metal: Referring to a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivity.

Therefore, bare metal originally described metal that is uncovered or lacking any protective or decorative coating. In computing, it refers to the physical hardware of a computer system without any installed operating system or software layers.

This term is commonly used in the context of virtualization or cloud computing to contrast with virtualized environments, emphasizing the direct access to hardware resources without abstraction layers. It highlights the fundamental hardware components of a computing system, unencumbered by additional software layers.


  • Dedicated hardware
  • Physical server
  • Unvirtualized
  • Direct server
  • Standalone server
  • Hardware-centric
  • Non-virtualized
  • Independent hardware


  • Virtualized
  • Cloud-based
  • Shared resource
  • Virtual server
  • Multi-tenant
  • Hypervisor-based
  • Virtual environment
  • Hosted server


  • Virtualization
  • Hypervisor
  • Cloud computing
  • Infrastructure
  • Performance
  • Overhead
  • Resource allocation
  • Server architecture

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