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What is critical section problem?
Consider a system consists of 'n' processes. Every process has segment of code called a critical section, in which the process might be changing common variables, updating a table, writing a file. When one process is implementing in its critical section, no other process can allowed implementing in its critical section.
Explain the Types of System Calls The major types of system calls are like this: a. Process Control: These types of system calls are employed to control the processes.
Tree structured directories: This is the main common directory structure. The tree has a root directory as well as every file in the system has a unique path name. A directory
what is application software?
Acyclic Graph Directories In this kind of directory structure the shared directories or files can exist in the file system in two or more places at once. A tree structure excl
What is page fault? In the computer storage technology a page fault is an exception which is raised by the memory management unit when a requested page isn't mapped in physical
What is the sequence in which resources may be utilized? Under normal mode of operation, a process may utilize a resource in the following sequence: Request: If the requ
What are the deadlock p revention methodologies? a. Necessitate that processes request all resources before starting - if cannot be granted don't run. b. Process
What is area moment
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
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 a
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