What are the different file operations?, Operating System

Assignment Help:

What are the different file operations?

Create: - Space for the file in the file system update directory table.
Write: - file name and data to be written is passed into the kernel and it write pointer points to the next possible location to which we can write.
Read:-file name is passed to the kernel and Read pointer points to the current position.
Delete a file:-kernel checks in the directory as well as removes the file from there.
Truncation: - Erase (remove) the content of the file.

Related Discussions:- What are the different file operations?

Identifying parallelism, Identifying parallelism A formal way to identi...

Identifying parallelism A formal way to identify parallelism in an activity is to draw a task dependence graph in a directed graph in which each vertex represents a task to

What is virtual file system?, What is virtual file system? A Virtual f...

What is virtual file system? A Virtual file system switch (VFS) or Virtual file system is an abstraction layer on top of a more concrete file system. The purpose of a VFS

Operation management, #question After working for 30 years, Ramjee Somjee D...

#question After working for 30 years, Ramjee Somjee Dutt opted for VRS and started a courier company and did very well in the first four years. He was now looking for expansion of

Copy on write in virtual memory, how copy on write on pages when many proc...

how copy on write on pages when many process works at a same time?

Deadlock, what is deadlock

what is deadlock

Why is rotational optimization no longer consequently useful, UNIX systems ...

UNIX systems utilized to use disk-layout optimizations based on the rotation position of disk data however modern implementations including Linux simply optimize for sequential dat

Write a note about directory structure with examples., Write a note about ...

Write a note about Directory structure with examples. The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significan

Why do organisations need a structure, Problem 1: (a) The grouping of o...

Problem 1: (a) The grouping of organisational activities (usually into ‘departments' or larger ‘divisions') can be done in different ways. Outline 7 criteria which can be used

Explain the various methods of file access, Operating Systems 1. Illust...

Operating Systems 1. Illustrate the Microkernel Architecture with suitable diagram. 2. When Deadlock occurs? What are the Necessary Conditions for Deadlock? 3. Describe f

Explain about memory-management scheme, Q. In the IBM/370 memory protectio...

Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages