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What are files and explain the access methods for files? File definition Attributes, operations and types Direct access Sequential access with diagram Other access
define semaphore. how can we use semaphore to deal with n-process critical section problem.
Determine the Requiring Variables on the Scope of a Thread It is very common in server application programs to require variables on the scope of a thread. To provide such a sco
categorize the CPU scheduling algorithms and among them explain the non-preemptive algorithms..
The dynamic memory allocator is a layer between the application and the OS, managing heap objects. When a program requests memory from the allocator (via malloc(), for instance), t
what is file abstraction?
What is named pipes?
Describe the technique of packing. The physical record size will not accurately match the length of the desired logical record and the Logical records may even differ in length
What are the system components of an operating system and explain them? a) Process management b) Main-memory management c) I/O management d) File management e) Seco
Explain about threading issues? The fork and exec system calls In a multithreaded program of few UNIX systems have chosen to have two versions of fork, one that duplicates e
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