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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.
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What is an operating system process? How is it different from a program? Why do we need the concept of a process, rather than simply talk about programs running in memory? The e
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
Additional Reference bits algorithm Here we keep an 8-bit byte for every page in memory. At standard intervals the reference bit is shifted by the OS. If a shift register conta
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Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
what is exit status
Write a Perl script assignGrades.pl to assign letter grades to the students.
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Question: a) The following questions refers to Windows XP networking: i) Briefly, explain how a host joins a network using DHCP? ii) Which IP address could be assigned to a
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