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)

Could you tell something about the Unix System Kernel?

3 Answers   ITCO, TCS,

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The UNIX shell is.... a).does not come with the rest of the system b).forms the interface between the user and the kernal c) does not give any scope for programming d) deos not allow calling one program from with in another e) all of the above

2 Answers   IBM,

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why do you need to have a swap file system?

1 Answers  

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What does mknod do? What?s a named pipe?

1 Answers   Datamatics,

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What is the difference between hard link & softlink?

2 Answers  

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What is a level 0 backup?

2 Answers   Atos Origin,

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What is INODE?

6 Answers   BMC,

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Give two UNIX kernel parameters that effect an Oracle install

1 Answers  

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How will you run the script in UNIX?

5 Answers   BMC,

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Is this the command to connect oracle from unix? sqlplus -s username/password. Then what is the -S here...????

1 Answers   TCS,

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how to check GDE,EME,Java,Oracle9i Enterprise Edition Release versions Versions on unix system

1 Answers  

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Explain the read, write, and execute permissions on a UNIX directory.

1 Answers  

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