Explain concurrent sharing, Computer Engineering

Assignment Help:

Explain Concurrent Sharing

Here a number of programs that may share a file simultaneously. While this is the case, it is necessary to prevent mutual interference among them. There are three types of concurrent sharing:

1. Immutable files: If a file is shared in immutable mode, none of the sharing programs can alter it. This mode has the benefit that sharing programs are independent of one another.

2. Single image immutable files: Here the modifications made by one program are instantaneously visible to other programs. The UNIX file system employs this file-sharing mode.

3. Multiple image mutable files: Here several programs can concurrently update the shared file. Each updating program makes a new version of the file that is different from the version made by concurrent programs.

This sharing mode can just only be used in applications in which concurrent updates and the existence of several versions are meaningful.


Related Discussions:- Explain concurrent sharing

Show the instruction execution by using the micro-operations, Q. Show the i...

Q. Show the instruction execution by using the micro-operations? A simple instruction can require: Instruction fetch: fetching instructions from the memory. Instruc

Prove equations by using the boolean algebraic theorems, Prove the equation...

Prove the equations using the Boolean algebraic theorems that is given below A‾BC + AB‾C + ABC‾+ ABC = AB + BC + AC Ans. The equation given is A‾BC + AB‾C + ABC‾+ ABC = AB + BC +

In what way interrupts are classified in 8085, 8085 the interrupts are clas...

8085 the interrupts are classified as Software and Hardware interrupts.

Face detection, i want the matlab code for the following events 1. face det...

i want the matlab code for the following events 1. face detection 2. video to frame conversion 3.video shot boundary detection

Explain fundamental instruction set characteristics, Q. Explain fundamental...

Q. Explain fundamental instruction set characteristics? Let's look into a number of fundamental instruction set characteristics: The operands can be addressed in memory,

Definition of decision support system, Q. Definition of Decision support sy...

Q. Definition of Decision support system? Definition of DSS: A decision support system is a specific kind of information system which is an interactive system that supports in

What is indexing, What is indexing? Specific fields shown on each scann...

What is indexing? Specific fields shown on each scanned document are provided to our organization to make the systematic arrangement of your records. This process is designed t

Evaluate the damping coefficient, A certain car has suspension modes which ...

A certain car has suspension modes which are uncoupled front to back.  When a person with a mass of 60 kg sits in the rear of a car, in the centre of the seat which is directly ove

Wrapping database calls into mts transactions, What is the advantage of wra...

What is the advantage of wrapping database calls into MTS transactions? Ans) If database calls are made within the context of a transaction, aborting the transaction will undo a

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