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Primary | Extended Partitions and logical drives.

Posted on 2004-04-20
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Last Modified: 2010-07-27
Could someone please explain what :

Primary Partitions are :

Extended Partitions are :

Logical Drives are :

thank you (".)

GISVPN
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Question by:gisvpn
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9 Comments
 

Author Comment

by:gisvpn
ID: 10871645
and if anyone could tell me what an active partition is :)
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Author Comment

by:gisvpn
ID: 10871727
Primary Partitions are :

Primary partitions are used to start the computer. These are used to isolate operating systems. With Windows 2000 you can only have a max of 4 primary partitions. With one of these partitions you assign one as active and only one can b active at once.

Extended Partitions are :

This is created from free space. You can only ever have one.You dont format extended partitions you divide them up into logical drives.

Logical Drives are :

Is an extended partition divided up


Is this about right ?
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Accepted Solution

by:
sirbounty earned 50 total points
ID: 10871735
Hope these help...

A partition of a hard drive that can contain an operating system and cannot be subpartitioned. A primary partition drive is the only type of drive that is bootable.
www.computertips.com/glossarywin.htm

A partition that is created from free space on a hard disk. An extended partition can be subpartitioned into zero or more logical drives. Only one of the four partitions that is allowed per physical disk can be an extended partition, and no primary partition must be present to create an extended partition.
msdn.microsoft.com/library/en-us/iisref/htm/Glossary.asp

A subpartition of an extended partition on a hard disk. See also extended partition.
iishelp.web.cern.ch/IISHelp/iis/htm/core/iigloss.htm

That part of the hard disk containing the operating system to be loaded when you start or restart the computer. You can install 2 different operating systems ( perhaps DOS and OS/2) on your hard disk, but each must be in its own separate area, or partition. Only one partition can be active at any given time, and to change from the DOS to the non-DOS partition, you may have to use the DOS FDISK command.
www.angelfire.com/ny3/diGi8tech/A.html

Basically, a primary partition is where your system boots from.  An extended partition would be something apart from that, in most cases.  A logical drive is the logical breakdown of a physical disk into smaller 'chunks'...
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Author Comment

by:gisvpn
ID: 10871736
can any one add to this ?
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Author Comment

by:gisvpn
ID: 10871744
thank you for the info sirbounty
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Author Comment

by:gisvpn
ID: 10871757
Can you only ever have 2 operating systems on one hard drive ? or can you have more
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LVL 67

Expert Comment

by:sirbounty
ID: 10871991
It's best to keep operating systems seperated on different partitions, as a general rule...
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Author Comment

by:gisvpn
ID: 10872394
Can you only ever have 2 operating systems on one hard drive ? or can you have more
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LVL 67

Expert Comment

by:sirbounty
ID: 10872506
You 'can' - but it's certainly not good practice...
You would just do custom installs and place the different OSs into different folders.
IE
C:\WinXP
C:\Win2K
C:\Windows
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