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What is Two-level directory
In the two-level directory structure every user has own user file directory (UFD). When a user jobs begins or a user logs in, the system's master file directory (MFD) is searched. The MFD is indexed by user name or account number, and every entry points to the UFD for the user.
Contiguous allocation The contiguous-allocation method needs each file to occupy a set of contiguous blocks of the disk. Disk addresses explain a linear ordering on the disk. T
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
list the prevention of mechanism for race condition with operating system
Memory Protection
What are the main advantages of the microkernel approach to system design? Benefits typically contain the following (a) Adding a new service does not require modifying the
Define drawback of Distributed systems Reliability is a drawback of Distributed systems
Utility Programs: those programs which are not the essential part of operating system. But they provide different utilities / features to the users e.g. MS-DOS : Fdisk, FORMAT, AT
what are the threds in operating system?
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 tons of grade Y paper i
Explain Threads for Executing Concurrent Application Code The thread has been introduced in many operating systems as an efficient mechanism for executing concurrent applicatio
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