What is the shortest definition of os?

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udaybond

  • Sep 3rd, 2006
 

Hi All

Can any one of you help me out to get the answers of following questions :

1. How will u list the contents of parent directory from the current directory.
2. What are the default system wide permissions for a file and directory.
3.What is the default umask value.
4.A user is not able to change the permission , What can it happen.
5. What's the difference between ls -F , ls -p
6. If a file permission are 000, can the superuser still read and write to that file.
7. What's? the command to remove the files without write permission.
8. How will u make sure that no one can see the files which u had created.
9. How will u change the permissions of a directory recursively.

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Ashok Kumar R

  • Sep 19th, 2006
 

OS is an System(hardware&software) Manager.

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Alon Moscovitz

  • Nov 2nd, 2006
 

The shortest definition I can think of is "The software infrastructure".

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ritu

  • Nov 12th, 2006
 

It's the system that is always on till our computer is on.

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shijine

  • Nov 28th, 2006
 

It's an interface between user and the computer hardware.

ramesh

  • Dec 6th, 2006
 

OS is like a traffic policeman on duty.It keeps track of the resources.It decides the policy to allocate resources.It allocates the resources.It de-allocate the resources.

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kausik jana

  • Jan 24th, 2007
 

Operating system is nothing but it is interfaced between hardware & software.

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ravi

  • Mar 4th, 2007
 

OS is a Interface between a user and the hardware of a computer

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Sandeep K Achar

  • Jul 19th, 2011
 

It's an user interface for the users to interact with the computer...

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Milind

  • Aug 18th, 2011
 

Operating System is the program to interface between user and computer.

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deepak

  • Aug 22nd, 2011
 

You can say.........Operating System is an interface between user and hardware

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Rohit

  • Aug 26th, 2011
 

It is a software or a set of programs that make an interface between user and hardware.

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puneet rana

  • Aug 30th, 2011
 

Communicator

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Marks

  • Feb 28th, 2012
 

OS is ..
1.Resource Manager
2.Interface between Hardware and Software.

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vivek tomar

  • Mar 10th, 2012
 

1)data Management. (file ,folder,drive,also contain data.)
2)communicator b/w software and hardware.
3)provide user Interface.
4)provide working environment.

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anon

  • May 3rd, 2012
 

Operating System;
System which controls the operations of the hardware. Serves as an intermediary between the application layer and the hardware it interfaces with.

Lingapandi

  • Jun 4th, 2012
 

Operating system is a system software.

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lakshmi sampath

  • Jul 16th, 2014
 

operating system is government of computer.
or
operating system is resourse allocator.

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AKANKSHA

  • Sep 15th, 2014
 

Operating system provides an environment in which user can execute their codes efficiently.

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Deeksha

  • Feb 8th, 2015
 

OS manages the memory utilization,CPU scheduling and behave as resource allocator.

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janardhan kasibisi

  • Feb 10th, 2015
 

Interface between user and hardware

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P. M. Aagjal

  • Feb 12th, 2015
 

Resource manager

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