OS File Management

Logical Directory Structures

The directory have a logical structure that defines how files are organized inside the directory. There are many organizing schemes such as single level, two level, tree structure, and acyclic-graph structure. In this article, you will learn about various logical directory structures and need for them. Single Level Directory It is the simplest directory structure …

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File Type

The operating system should support the file system. If the OS does not recognize a file type then any operation on the file will not be successful. The files are given an extension to indicate the type of file separated by a period or a dot. For example, finance.java A java program source code file. …

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File Concepts

To a user, the file is the smallest unit of storage on a computer system. The user performs file operations such as open, close, read, write and modify. They can create or delete files from the system. In this article, you will learn the basics of file and file system. File Concept Computer store information …

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Disk Scheduling Algorithms

In this article you will learn about storage structure and disk scheduling algorithms. You analyses the advantages and disadvantages of different disk scheduling algorithms. Learn to measure the performance of disk such as seek time. A problem is given for each algorithm, you can also try to solve them if you are already familiar with …

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