Explain file allocation using i nodes, Operating System

Assignment Help:

File allocation using I nodes.

This method is used to decrease the size of the table in the above method. Every file will have an I-node list. Allow a file have 15 pointers after that the first 12 pointers can be used to point to the blocks directly. The next three pointers are able to be used to point to indirect blocks. The first two point toward single indirect blocks. The single indirect block is an index box containing not data other than the addresses of blocks that contain data and the last pointer points to a double indirect block which contains the addresses of blocks that contain pointers to the actual data blocks.

1528_File allocation using I nodes.png


Related Discussions:- Explain file allocation using i nodes

What is paging? , What is paging? Paging is a memory management schem...

What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi

Define system call, Define System Call A system call is a request that ...

Define System Call A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program

Os installation, Question: OS Installation / File system a) Why is NTFS...

Question: OS Installation / File system a) Why is NTFS portioning preferred over FAT16 or FAT32 when security is of primary concern? b) State a situation or an application w

Implementation of lru, 1. On every access, mark the page with a timestamp. ...

1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory

Peripharal device, 50 peripharal device name ,diagram and uses

50 peripharal device name ,diagram and uses

What are the use of job queue, What are the use of job queues, ready queues...

What are the use of job queues, ready queues and device queues? As a process enters a system they are put in to a job queue. These queues having of all jobs in the system. The

Provide two programming examples of multithreading, Normal 0 fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Provide two programm

Difference between message passing and shared memory, Problem: a) To en...

Problem: a) To ensure proper operation, the operating system and all the other programs must be protected from any malfunctioning program. Describe a mechanism which is impleme

What is the difference b/w multiprocessing and multitasking, What is the di...

What is the difference between multiprocessing and multitasking? Multi programming means implementing more than one program but here whenever the processor is idle during execu

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd