Distributed operating system

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Distributed operating system

Developer	Various
OS family	Operating system
Working state	Current
Source model	Open source / Proprietary
Repository	{{URL|example.com|optional display text}}
Marketing target	Distributed computing
Platforms	Various
Kernel type	Microkernel / Monolithic kernel
License	Various
Official website	{{#property:P856}}

A distributed operating system is a type of operating system that manages a group of independent computers and makes them appear to be a single computer. The development of distributed operating systems is one of the major advancements in the field of computer science and distributed computing.

Overview

Distributed operating systems are designed to provide a high level of transparency, reliability, and scalability. They enable the sharing of resources such as CPU, memory, and storage across multiple machines. This is achieved through the use of networking and inter-process communication (IPC) mechanisms.

Key Features

• Transparency: The system hides the complexity of the distributed nature from the user, making it appear as a single coherent system.
• Reliability: By distributing tasks across multiple machines, the system can continue to function even if one or more machines fail.
• Scalability: The system can easily be expanded by adding more machines to the network.
• Resource Sharing: Resources such as files, printers, and processing power can be shared across the network.

Types of Distributed Operating Systems

There are several types of distributed operating systems, including:

• Network Operating Systems (NOS): These systems provide basic services and functionalities to computers connected to a network.
• Distributed Operating Systems (DOS): These systems manage a group of independent computers and make them appear as a single coherent system.
• Real-Time Distributed Operating Systems: These systems are designed to handle real-time applications that require timely processing and response.

Examples

Some well-known examples of distributed operating systems include:

• Amoeba
• Plan 9 from Bell Labs
• Inferno
• Sprite

Applications

Distributed operating systems are used in various applications, including:

• Cloud computing
• Grid computing
• Cluster computing
• Internet of Things (IoT)

Challenges

Despite their advantages, distributed operating systems face several challenges, such as:

• Complexity: The design and implementation of distributed systems are more complex than traditional systems.
• Security: Ensuring the security of data and resources in a distributed environment is challenging.
• Synchronization: Coordinating tasks and processes across multiple machines requires efficient synchronization mechanisms.

See Also

• Distributed computing
• Parallel computing
• Cluster computing
• Grid computing
• Cloud computing
• Operating system