Operating System Articles - Page 93 of 171

Introduction In a networked computing environment, file systems allow users to access and manage files across different computers and storage devices. Network file systems (NFS) are a type of file system that enables remote file access and sharing between machines over a network. In NFS, a client machine can access files stored on a remote server as if they were on its local file system. One common question that arises regarding network file systems is whether they pre-fetch data to improve performance. In this article, we will explore concept of pre-fetching in network file systems and provide examples of how ... Read More

In computer systems, disk scheduling is required for smooth operation of the system. Disk scheduling is done by the operating system of the computer, in which it schedules I/O requests arriving on the disk. Therefore, disk scheduling is also called as I/O scheduling. In computer systems, disk scheduling or I/O scheduling is important because there could be multiple I/O requests received from the different processes at the same time, but the disk controller can serve only one request at once, and all other requests have to wait for next schedule. In operating systems, several disk scheduling algorithms used such as ... Read More

What is Booting? Booting is a process of starting a computer or computer like device such as a smartphone, etc. Therefore, booting of a computing device start when we press the power button of the device, it makes the computer or the device ready for use. Actually, when a computer or any computing device is switched off, its operating system remains in the secondary memory like hard disk of the system. But for execution of a software, it must be in the main memory of the system. Hence, booting may also be defined in other words as, the process of ... Read More

When a computer or any other computing device is in the powerless state, its operating system remains stored in the secondary storage like Hard Disk or SSD. But, when the computer is started, the operating system must be present in the main memory or RAM of the system. When a computer system is started, there is a mechanism in the system which loads the operating system from the secondary storage into the main memory or RAM of the system. This is called Booting process of the system. There are two types of booting depending on the number of operating systems ... Read More

Windows Operating System Windows Operating System is a type of operating system based on Graphical User Interface (GUI). It is called a graphical user interface because it create an interface (communication screen) between user and machine by using graphical elements like icons, pictures, colors, etc. The Windows operating system was developed by Microsoft Corporation, an American Multinational technology company founded by Bill Gates and Paul Allen. Windows operating system is one of the most popular computer operating systems in the world. The primary reason behind its global popularity is its very user-friendly interface. Windows operating system also provides multitasking capabilities, ... Read More

Context switching is an essential aspect of modern operating systems that enables them to efficiently manage resources available to them. Context switching is process of switching from one process to another in a multi-tasking environment. operating system does this by saving state of current process and loading state of next process. Monitoring context switches in Linux is a crucial task for system administrators, developers, and users who want to optimize performance of their systems. In this article, we will explore how to monitor context switches in Linux and why it is essential to do so. Understanding Context Switching in Linux ... Read More

Introduction Dynamic Link Libraries, also known as Shared Libraries, are collections of compiled code, data, and resources that can be loaded and executed by an application at runtime. Shared libraries are commonly used in development of Linux applications, and are an integral part of x86 architecture. In this article, we will explore process of linking with x86 shared libraries on Linux x64 systems. Understanding x86 Shared Libraries An x86 shared library is a file that contains compiled code, data, and resources that can be shared among multiple applications at runtime. Shared libraries are loaded into memory only when required by ... Read More

In recent years, touch technology has become increasingly popular, with smartphones, tablets, and laptops offering capability to interact with devices by simply tapping or swiping screen. However, what if you could use touch technology on your computer using a USB device? This is where concept of multi-touch enabled USB devices comes into play. In this article, we will explain what multi-touch enabled USB devices are, how to make a USB device multi-touch enabled, and provide examples of popular multi-touch USB devices in market. What are Multi-touch Enabled USB Devices? Multi-touch enabled USB devices are peripherals that are connected to a ... Read More

Introduction In Linux programming, use of wide character strings is becoming increasingly common. Wide character strings, or wstrings, are a sequence of wide characters, each of which can represent a single Unicode character. This makes them particularly useful when working with text that includes characters from a wide range of languages, as well as text that includes special characters such as accents, symbols, and emojis. In this article, we will explore how to use wstrings in Linux APIs, with examples and explanations. What are wstrings and why use them? A wide character string, or wstring, is a sequence of wide ... Read More

Introduction DBus is a widely used message bus system that facilitates communication between different software applications on Linux operating systems. It is used for inter-process communication (IPC) and allows applications to communicate with each other, even if they are running in different contexts. However, it can be difficult to determine which application or process is calling a specific DBus API. In this article, we will explore different methods for identifying caller of a DBus API on Linux. What is DBus? DBus is a message bus system used for inter-process communication (IPC) in Linux systems. It is a low-level, asynchronous protocol ... Read More