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Internal file structure
All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match the length of the desired logical record. Logical record may even differ in length. Packing a number of logical records into physical blocks is a common answer to this problem.
what is inter process communication..
Question: (a) (i) What is a microkernel? Describe the benefits of using microkernels. (ii) How does a microkernel-based operating system differ from a traditional operating
Multi-user - A multi-user Operating System permits for multiple users to use the same computer at the same time and/or different times. Below are some instances of multi-user Op
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What is low-level formatting? Before a disk can kept data, it must be required into sectors that the disk controller can read and write. This procedure is called low-level form
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 a
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
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What is a path name? A pathname is the path from the root by all subdirectories to a specified file. In a two-level directory structure a user name and a file name explain a pa
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