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arrays in c pointer in c pointer c arrays arrays operating system pointer concept in c function memory management strategies virtual memory paging deadlock semaphore system programs c pointer resource allocation graph deadlock characterization basic concept compaction fragmentation address binding logical vs physical address space memory management device drivers direct memory access interrupts io hardware: device controllers io hardware counting grouping linked list free space management: bitmap file system structure file management access methods file attributes file concept file operations file management: file concept disk structure scheduling algorithms disk structure and disk scheduling algorithms acyclic graph structure tree structured two level directory structure :single level directory implementation and allocation methods fat indexed linked contiguous allocation methods directory implementation device independent io software io software page replacement page replacement algorithms optimal lru fcfs bankers algorithm avoidance and detection prevention methods for hand ling deadlock: prevention methods for hand ling deadlock solution to critical section problem solution to critical section problem semaphore monitors solution to critical section problem monitor classical problems classical problems of process synchronization process synchronization operating system virtual machine opearting system services services and system calls structure of operating system operating system structure operating system implemetation operating system design operating system deign and implementation pointer arithmetic arithmetic pointer pointer to array in c pointer to structure in c pointer to array poin accessing structure passing function to structure array of structure c structure structure in c structure multiple pointer double pointer pointer to pointer local and global variables scope of variables variable scope scope function recursion recursive function recursion function categories categories of function c function multidimensional arrays 2d arrays two dimensional arrays how to access array accessing array element strings in c strings character array array declaration and initialization of arrays c rrays localisation of arrays declaration of arrays