Answer / guest

os means operating
system the first os
is discoved on
1920's

How many VI editor modes do you know?

8 Answers   Infosys,

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What is the difference between windows environment and Unix environment ?

8 Answers   Oracle,

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How to give root privileges without using SU/sudor ?

1 Answers  

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What is the difference between Swapping and Paging?

4 Answers   IBM,

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how can you say that unix operating system provides more security than other operating systems.

1 Answers  

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interprocess command in unix be achieved by a)pipes b)messages c)semaphores d)shared memory e)all

2 Answers   Mascot,

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Which is the most commonly used replacement algorithm?

0 Answers   Aditi Placement Service,

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I am trying to unmount a remote file system,but I do not unmount that file system.How can i know the user name (i.e.,user who is using that file system).....write the command with argument

2 Answers  

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What do you mean by u-area (user area) or u-block?

6 Answers  

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What are the read or write or execute bits on a directory mean?

2 Answers  

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In this command sqlplus -s username/password what is -S and what's the use..???

1 Answers   TCS,

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What is a level 0 backup?

2 Answers   Atos Origin,

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