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?

Define most common phase structured grammar, Which is most common phase str...

Which is most common phase structured grammar? Most common phase structured grammar is Context – Sensitive

Explain banker''s algorithm, Banker's Algorithm In this analogy ...

Banker's Algorithm In this analogy Customers ≡ processes Units ≡ resources, say, tape drive Ba

Server thread, Extend task 1 so that the requests are issued by the clients...

Extend task 1 so that the requests are issued by the clients instead of the server. The server now do not use the "all_requests.dat" file. Instead every client thread reads from

priority-based scheduling algorithm , Your task is to replace the round ro...

Your task is to replace the round robin CPU scheduling scheme you developed in Practical 6 with a priority-based scheduling algorithm. To simplify matters, you can maintain the ori

Explain linked allocation, Linked allocation With linked allocation, ev...

Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th

Command interpreters, Develop a user mode command interpreter which support...

Develop a user mode command interpreter which support these functions: "list-short" -- just like ls without any options "list-long" -- same as ls -l "change" -- same as cd Your co

Roles of operating systems, Describe Three major roles of operating systems...

Describe Three major roles of operating systems in business computer systems

Define i/o and cpu bursts, Define I/O and CPU Bursts Applications typ...

Define I/O and CPU Bursts Applications typically to through cycle of CPU bursts and Input/output bursts. Since the CPU sits idle during I/O operations, efficiency is improved

Total physical memory and total virtual memory , A practical task specified...

A practical task specified in the Study Guide, Computer architecture, was to record your computer's specifications. Submit the data you recorded, which will contain the following d

Computer, what is an operating system?

what is an operating system?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages