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Enhanced second-chance algorithm.
When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following four possible classes.
a) (0,0) neither recently used nor modified - best page to replace.
b) (0,1) not recently used but modified - not quite as good.
c) (1,0) recently used but clean - it probably will be used again soon.
What is a file? A file is a named collection of related information that is recorded on secondary storage. A file having either programs or data. A file has particular "structu
Define dynamic loading. To obtain better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. All routines are ke
Explain in detail about ipc in linux
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How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
what is interval timer
List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.
what is deckers algorithm
Front page We need to continue or customization and documentation of our system. Currently our system boots into runlevel 5 and we need it to boot into runlevel 3. For future r
MEMORY MANAGEMENT USING BUDDY SUSTEM Here we are dividing the memory as powers of two as well as we are selecting the space which is smallest but large enough to hold a process
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