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Define Segmentation
The memory allocation method subject to “external” fragmentation is Segmentation.
acyclic graph directories
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
Signal handling A signal is used in UNIX systems to inform a process that a particular event has occurred. 1. A signal is produced by the occurrence of a particular event.
unequal size partition
What is process control block? Every process is represented in the OS by a process control block. It has many pieces of information associated with an exact process.
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
Explain thread in details
Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are
What is the use of FIFOs in client-server applications
Q. It is occasionally said that tape is a sequential-access medium whereas magnetic disk is a random-access medium. In fact the correctness of a storage device for random access d
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