Answer / chinavenkannababu

Virtual memory is a computer system technique which gives
an application program the impression that it has
contiguous working memory, while in fact it is physically
fragmented and may even overflow on to disk storage.
Systems which use this technique make programming of large
applications easier and use real physical memory (e.g. RAM)
more efficiently than those without virtual memory

Answer / irshad

* virtual memory :-Space on a hard disk used to temporarily
store data and swap it in and out of RAM as needed.

*virtual memory:- created by using the hard disk to simulate
additional random-access memory; the addressable storage
space available to the user of a computer system in which
virtual addresses are mapped into real addresses)

I am new to Unix and Unix Shell scripting could you guide me on how to go about these subjects and where to start from with concern to Oracle?. I also would like to know where does UNIX shell Scripting help in terms of development of a application in Oracle? I have no clue in the subject so do help me. Thank You Neelima

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