Re: User's perspective on upgrading to kernel 2.4?
On Thu, 11 Apr 2002, Richard Cobbe wrote:
> First question: what are the major differences between 2.2 and 2.4 from
> a *user's* perspective? I know about the improved scheduler and
> wake-one and USB support and things like that, but that's not what I'm
> asking. For now, I'm interested primarily in what differences I will
> see as I use my system; I'll worry about the system-level programming
> interfaces later.
Moderately faster (YMMV) virtual memory system (>2.4.10), better
hardware support, and compile times stretching into the weeks on a 386.
> Second question: is it possible to have a 2.2 kernel and a 2.4 kernel
> installed on the same system and switch between the two by means of
> LILO? It's a little unclear, but I get the impression that the /dev
> hierarchy, in particular, is very different between the two, which
> suggests that switching back and forth is not very easy.
/dev didn't change, unless you count devfs, which is pretty cool, and
you reconfigure devfsd (or fail to install it (not recommended)) to not
have the old names.
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