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Write in brief on UNIX file structure. UNIX considers every file to be a sequence of 8-bit bytes no interpretation of these bits is made by the operating system. This system pr
what is difference between file descriptor and file pointer?
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Provide two programm
What is a sequential file? A file that is read one record or block or parameter at a time in order, based on a tape model of a file.
For reading, most operating systems use demand paging. This means that pages are only read from the disk into physical memory when they are needed. In the page table, there is a re
What is the purpose of system programs? System programs can be thought of as bundles of useful system calls. They give basic functionality to users and so users do not require
A file system depends on data structures about the files, beside the file structure. The former is named metadata-data that defines data. Each file is accumulated with an inode, wh
Write a short note on file organization and access. There are three methods to access files 1Record Access 2Sequential Access 3Random Access The record access
Problem: (a) Modern operating systems are interrupt driven. If there are no processes to execute, no I/O devices to service, and no users to whom to respond, an operating syste
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
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