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Linked allocation
With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to the first and last blocks of the file.
File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
Explain Process scheduling Process scheduling consists of the subsequent sub-functions: 1. Scheduling : Selects the process to be implement next on the CPU 2. D
What are the disadvantages of linked allocation? The drawbacks are a. Used only for sequential access of files. b. Direct access is not supported c. Memory space neede
What are the different file operations? Create : - Space for the file in the file system update directory table. Write : - file name and data to be written is
Q. Illustrate the Operating System Components? Modern operating systems share the goal of supporting system components. System components are: 1. Process Management 2.
Producer-Consumer Problem Using Semaphores The Solution to producer-consumer problem use three semaphores namely- full, empty and mutex. The semaphore 'full' is utilized for
example of first fit best fit and worst fit
What is critical section? Every process has a segment code called the critical section, in which the process may be updating tables, changing variables, writing file and etc. W
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
wat are the commands used for creating the file hierarchy
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