Operating System Tutorial

Operating System Tutorial Types of Operating System Evolution of Operating System Functions of Operating System Operating System Properties Operating System Services Components of Operating System Needs of the Operating System

Operating Systems

Linux Operating System Unix Operating System Ubuntu Operating System Chrome Operating Systems Fedora Operating System MAC Operating System MS Windows Operating System Solaris Operating System Cooperative Operating System CorelDRAW Operating System CentOS FreeBSD Operating Systems Batch Operating System MS-DOS Operating System Commercial Mobile Operating Systems


Difference Between Multi-programming and Multitasking Difference between C-LOOK and C-SCAN Difference between Rotational Latency and Disk Assess Time Trap vs Interrupt Difference between C-SCAN and SSTF Difference between SCAN and FCFS Difference between Seek Time and Disk Access Time Difference between SSTF and LOOK Difference between Process and Program in the Operating System Difference between Protection and Security in Operating System

How To

How to implement Monitors using Semaphores How to Install a Different Operating System on a PC


What is Kernel and Types of Kernel What is DOS Operating System What is Thread and Types of Thread What is Process Scheduler and Process Queue What is Context Switching What is CPU Scheduling What is Producer-Consumer Problem What is Semaphore in Operating System Monitors in Operating System What is Deadlock What is Paging and Segmentation What is Demand Paging What is Virtual Memory What is a Long term Scheduler What is Page Replacement in Operating System What is BSR Mode What is Convoy Effect What is Job Sequencing in Operating System Why is it critical for the Scheduler to distinguish between I/O-bound and CPU-bound programs Why is there a Need for an Operating System


Process Management Process State Scheduling Algorithm FCFS (First-come-First-Serve) Scheduling SJF (Shortest Job First) Scheduling Round-Robin CPU Scheduling Priority Based Scheduling HRRN (Highest Response Ratio Next) Scheduling Process Synchronization Lock Variable Mechanism TSL Mechanism Turn Variable Mechanism Interested Variable Mechanism Deadlock Avoidance Strategies for Handling Deadlock Deadlock Prevention Deadlock Detection and Recovery Resource Allocation Graph Banker’s Algorithm in Operating System Fixed Partitioning and Dynamic Partitioning Partitioning Algorithms Disk Scheduling Algorithms FCFS and SSTF Disk Scheduling Algorithm SCAN and C-SCAN Disk Scheduling Algorithm Look and C-Look Disk Scheduling Algorithm File in Operating System File Access Methods in Operating System File Allocation Method Directory Structure in Operating System N-Step-SCAN Disk Scheduling Feedback Queue in Operating System Contiguous Memory Allocation in Operating System Real-time Operating System Starvation in Operating System Thrashing in Operating System 5 Goals of Operating System Advantages of Operating System Advantages of UNIX Operating System Bit Vector in Operating System Booting Process in Operating System Can a Computer Run Without the Operating System Dining Philosophers Problem in Operating System Free Space Management in Operating System Inter Process Communication in Operating System Swapping in Operating System Memory Management in Operating System Multiprogramming Operating System Multitasking Operating Systems Multi-user Operating Systems Non-Contiguous Memory Allocation in Operating System Page Table in Operating System Process Scheduling in Operating System Segmentation in Operating System Simple Structure in Operating System Single-User Operating System Two Phase Locking Protocol Advantages and Disadvantages of Operating System Arithmetic operations in binary number system Assemblers in the operating system Bakery Algorithm in Operating System Benefits of Ubuntu Operating System CPU Scheduling Criteria in Operating System Critical Section in Operating System Device Management in Operating System Linux Scheduler in Operating System Long Term Scheduler in Operating System Mutex in Operating System Operating System Failure Peterson's Solution in Operating System Privileged and Non-Privileged Instructions in Operating System Swapping in Operating System Types of Operating System Zombie and Orphan Process in Operating System 62-bit operating system Advantages and Disadvantages of Batch Operating System Boot Block and Bad Block in Operating System Contiguous and Non - Contiguous Memory Allocation in Operating System Control and Distribution Systems in Operations Management Control Program in Operating System Convergent Technologies in Operating System Convoy Effect in Operating System Copy Operating Systems to SSD Core Components of Operating System Core of UNIX Operating System Correct Value to return to the Operating System Corrupted Operating System Cos is Smart Card Operating System Cosmos Operating Systems Examples Generation of Operating System Hardware Solution in Operating System Process Control Block in Operating System Function of Kernel in Operating System Operating System Layers History of Debian Operating Systems Branches and Architecture of Debian Operating Systems Features and Packages of Debian Operating Systems Installation of Operating System on a New PC Organizational Structure and Development in Debian Operating Systems User Interface in Operating System Types Of Memory in OS Operating System in Nokia Multilevel Paging in OS Memory Mapping Techniques in OS Memory Layout of a Process in Operating System Hardware Protection in Operating System Functions of File Management in Operating System Core of Linux Operating System Cache Replacement Policy in Operating System Cache Line and Cache Size in Operating System What is Memory Mapping? Difference Between Network Operating System And Distributed Operating System What is the difference between a Hard link and a Soft Link? Principles of Preemptive Scheduling Process Scheduling Algorithms What is NOS? What is the Interrupt I/O Process? What is Time Sharing OS What is process termination? What is Time-Sharing Operating System What is Batch File File system manipulation What is Message-passing Technique in OS Logical Clock in Distributed System

Device Management in Operating System


Device management is an essential part of an operating system that is responsible for managing the input and output (I/O) operations of computer devices. These devices include keyboards, mice, printers, network adapters, and more. Device management involves identifying, configuring, and controlling these devices to ensure they work properly with the operating system and other applications.

In this article, we'll take a closer look at device management in operating systems, including its functions, types of devices, device drivers, and more. 

Functions of Device Management

Device administration performs a number of crucial tasks, such as:

  1. Device Identification: When a new device is added to the computer, the operating system needs to identify the device to interact with it. The identification process includes finding the device's type, manufacturer, and model number.
  2. Device Configuration: Once the operating system has identified the device, it needs to configure the device settings. For example, the operating system needs to know the device's I/O address, memory address, and interrupt request (IRQ) number to communicate with the device correctly.
  3. Device Control: After the device is identified and configured, the operating system can control it by sending commands to the device. The commands can include starting or stopping the device, setting or retrieving device data, and more.
  4. Device Monitoring: The operating system also needs to monitor the device's status and performance to ensure that it is functioning correctly. This monitoring process includes checking for errors, detecting device failures, and more.

Types of Devices

Operating systems control a variety of gadgets that can be broadly divided into two groups:

  1. Character Devices: These devices transfer data character by character. For instance, keyboards, mice, and serial interfaces are character devices.
  2. Block Devices: These devices transfer data in blocks, such as hard disk drives, flash drives, and CD-ROM drives.

Device Drivers

Device drivers are software applications that enable communication between the operating system and hardware components. They put a layer of abstraction between the operating system and the hardware so that the operating system can communicate with the device without having to understand all of its intricate workings.

Device drivers typically come with the operating system or are included with the device's installation software. The operating system loads the device driver when the device is first installed, and the driver stays resident in memory until the device is removed.

Device drivers can be classified into two types:

  • Kernel Mode Drivers: These drivers run in kernel mode and have direct access to the hardware. They are more efficient but also more dangerous because they can cause system crashes if they have bugs or are poorly written.
  • User Mode Drivers: These drivers run in user mode and communicate with the kernel mode drivers to interact with the hardware. They are less efficient but also safer because they cannot directly access the hardware.

Device Manager

The Windows operating system includes a tool called Device Manager that enables users to control their computer devices. Users can view and control all the installed devices on their computer from one convenient place. They can examine device properties, update device drivers, disable or enable devices, and do a lot more with Device Manager.

Device Manager also provides a way to troubleshoot device problems. If a device is not working correctly, users can open Device Manager, find the device, and then access the device's properties to check for error codes, update drivers, or disable and re-enable the device to see if that resolves the issue.

Device Manager is an essential tool for managing devices in Windows. However, it is limited to only managing devices on the local computer. For managing devices on a network or remotely, administrators need to use other tools such as Microsoft System Centre Configuration Manager (SCCM).

In the Windows operating system, Device Manager is a helpful utility for managing devices. However, there are additional tools accessible for remotely or on a network managing devices. System administrators need to have a good understanding of device management to ensure their systems function correctly.


In conclusion, device management is a critical part of an operating system that is responsible for managing computer devices' input and output operations and ensuring they work correctly with the operating system and other applications. It involves identifying, configuring, controlling, and monitoring the devices. There are different types of devices, including character and block devices, and device drivers provide a layer of abstraction between the hardware and the operating system.