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Virtual file systems
The file-system execution having of three major layers. The first layer is the file-system interface, based on the open, read, write and close calls and file descriptors.
Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
List sample file types, based on use, on the VAX under VMS. source programs (.BAS, .FOR, .COB, .PLI, .PAS, .MAR) data files (.DAT) text files (.TXT) command proced
why we say OS is a resource allocator and control program
five major activities on file management in operating system.? Explain it.?
DESCRIBE OPERATING SYSTEM
What is the main advantage of the layered approach to system design? As in all cases of modular design, designing an operating system in a modular way has several benefits. Th
Explain working of the logical file system The logical file system manages metadata information. Metadata contains all of the file-system structure, excluding actual data. It h
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
What is multiprogramming? Multiprogramming: The management of many processes within a single processor system. Operating systems such like UNIX provide multiprogramming for sha
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