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Virtual file systems
The file-system execution having of three major layers. The first layer is the file-system interface, based on the open, read, write and close calls and file descriptors.
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 ton
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
Processes- Making the System More Responsive and Useful A method by definition build up of a code execution and resource ownership. A process has two main characteristics, code
copy-on-write
Q. We have stressed the require for an operating system to make efficient use of the computing hardware. When is it suitable for the operating system to forsake this principle and
Problem 1. List out the conditions that result in Deadlock situations. Illustrate deadlock situation with a simple graphical notation Listing conditions for deadlock occu
A hard-disk drive reads “120 GB HDD 7200 rpm 3 GB/sec transfer rate”. If the drive has a sector size of 512 bytes, what is the average rotational latency and transfer time to read
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
When you run a program on your UNIX system, the system prepares a special environment for that program. This environment owns everything needed for the system to execute the progra
Q. Illustrate Scope of Consumer behaviour ? Scope of consumer behaviour is extremely wide due to following reasons: >>Ever rising intensifying competition. >>Additional a
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