On Sunday 06 November 2005 17:24, [email protected] wrote:
> Hi,
> I don't know if the LKML is a technical kernel development list or a
> newbie support list (or both?) so maybe I'm posting to the wrong
> place.
>
> Questions:
> * Why is an initrd needed?
> * What does it do?
Though there are reasons beyond this, ultimately an initrd is useful primarily
to distributors, who provide too many drivers to build them all in (the
resulting kernel image would be too large to boot).
In particular, filesystem, RAID and SCSI drivers (required for rootfs to exist
before calling onto init), are put into such an image.
> * What are the differences between an initrd and an initramdisk (if
> any)? And an initramfs?
> * Why cannot the task of initrds be done more easily?
> * Why don't other operating systems need an equivalent? Or do they?
>
> Opinions and technical explanations welcome. Please, no excessive flames!
--
Cheers,
Alistair.
'No sense being pessimistic, it probably wouldn't work anyway.'
Third year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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