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Old 11-14-2005, 09:35 AM   #1
saikee
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A thicko's view on booting


This is an imagination of the relationship between the boot-loader, kernel, Linux distro with Windows.

A PC owner is a guy who owns a property comprising of a flat above an empty shop. He can rent the empty shop to any fast food operator (equivalent of installing an operating system in the hard disk).

The boy who delivers the fast food is the boot-loader. He rides on a vehicle called "kernel". The favour of the food that can be delivered are burgers, pizza, Kentucky fired chicken, fish and chips, Chinese take away, Greek Kebab..... reflecting different Linux favour. The most popular fast food is of course beef burgers by the MS Company.

Next to the property there is a parking space marked "MBR" for the delivery boy’s transport. He hangs out there all the time.

Since the PC owner is lazy and always plays with his PC he shouts down from the Windows to order his food whenever he feels hungry. Traditionally he always rents the place out to MS selling burgers. Recently he has been told other fast food taste better and cheaper, so he decided to give it a try.

It is quite a change for the PC owner to terminate the lease and rent it to say a Italian pizza outfit just to test its food, even though he has discovered the non-MS delivery boys are always hard working and can go and fetch fast food other than the type he has been employed to deliver. In other word the PC can ask a pizza boy to get Chinese take away or beef burger too. The process is apparently called "multi-booting".

It now transpires that one Linux delivery boy can take your order, drive to another fast food outlet, hand over the order to another delivery boy and let he bring back the food you have ordered. The process is simple and the PC owner needs to do nothing. In the fast food business the transaction is called "chain-loading".

When the PC owner investigated he found the MS delivery boy can also do this too chain-loading except he needs to be trained first with a “boot.ini” course. To be honest the MS delivery boy is rather lazy and thick like me. He manages it by rounding up some the fast food delivery boys inside the MS burger shop premise so that he can pass your order to them whenever a non-MS food is ordered. Due to the size of the premises there cannot be more than 10 delivery boys waiting inside.

If the PC owner goes hungry it is usually due to a bad instruction given to the delivery boy to park his vehicle in the "MBR" position. The lack of response to the shouting of "2 Hawaii pizzas please", "1 Sweet and sour Pork and 4 pancake rolls", "2 chicken Kebab with 1 coke" etc is because there wasn't anybody in the "MBR" to take the order or the MS delivery boy has not been adequately trained.

Worth to think about this story if your PC refuses to boot.

---------------------------------Edited addition

The instruction of standing at next to PC owner property hda (could be sda etc), pointing to the MBR space and shouting "park here" in Lilo language is

lilo -b /dev/hda

In Grub language it is

grub-install /dev/hda

To enjoy chain-loading the PC owner needs to make sure every fast food outlet in town employ its own delivery boy. He could telephone its owner, say living in address hda6, in Lilo language

lilo -b /dev/hda6

Similarly in Grub language shouting out this will do

grub-install /dev/hda6

A free telephone is available at some specially non-MS fast food outlets commonly known as "Live CDs". A PC owner can literally walk inside, no need to order any food, and pick up the phone and shout out the above instructions. He obviously has to call the right number (like mounting the right partition hda6 for example). To go into one fast food outlet, to borrow a telephone and to call another fast food outlet is termed "changing root". It is quite acceptable to non-MS burger fast food outlets and people can actually order different food from the place one borrows the telephone.

Last edited by saikee; 11-14-2005 at 10:03 AM.
 
Old 11-14-2005, 10:19 AM   #2
MensaWater
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If you have difficulties breaking the lease for Italian Pizza imagine your difficulty for Japanese Pizza.
 
Old 11-14-2005, 12:07 PM   #3
sundialsvcs
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Yum. Can I have fries with that?
 
Old 11-14-2005, 12:16 PM   #4
Komakino
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Wow...that's as clear as mud.
There's me thinking that the BIOS loads the bootloader from the Master Boot Record which knows where on the hard disk to load each OS from or call other, second stage, boot loaders...
 
Old 11-14-2005, 12:29 PM   #5
saikee
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jlightner

I did try a Japanese pizza. Think it calls Vine.

sundialsvcs

You can add anything in a Linux meal.

Komakino

I think the delivery boys are all stage1. The chef cooks up the stage2 by which time there is no coming back and we have to eat whatever delivered.
 
Old 11-14-2005, 12:43 PM   #6
Komakino
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Quote:
Originally posted by saikee
jlightner

I did try a Japanese pizza. Think it calls Vine.

sundialsvcs

You can add anything in a Linux meal.

Komakino

I think the delivery boys are all stage1. The chef cooks up the stage2 by which time there is no coming back and we have to eat whatever delivered.
I wonder how you CTRL_ALT_DEL a pizza...
 
Old 11-14-2005, 02:44 PM   #7
MensaWater
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Quote:
I wonder how you CTRL_ALT_DEL a pizza...
Interestingly enough a pizza doesn't require a 3 finger salute - 1 finger down the throat will do it.
 
  


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