"System Update already in progress"

[Alan Cox]

On Thu, 25 Sep 2008 20:20:43 -0400
Dave Feustel <dfeustel at mindspring.com> wrote:

> On Thu, Sep 25, 2008 at 03:49:37PM -0700, Aldo Foot wrote:
> > On Thu, Sep 25, 2008 at 2:56 PM, Dave Feustel <dfeustel at mindspring.com> wrote:
> > > That update started all by itself. Something in the auto-updates is screwed up then.
> > 
> > 
> > Not really. The yum-updatesd is simply to let you know that there are updates
> > available. That's what causes that pop up message to come up every now
> > and then. System updates should not start by themselves as far as I know; unless
> > you have an automated script. But then again, we're running Fedora.
> > ~af
> 
> which brings up an off-topic question I have been wondering about:
> 
> why does linux root use Bash instead of ksh (my favorite shell for the last 20 years :-) )? 
> Is Bash superior to ksh? I have not changed the root shell from Bash to ksh for fear of breaking
> fedora scripts that depend upon Bash features.

History: ksh was non-free for much of the lifetime of the Linux project.
Bash was and is free software.

Scripts should be specifing /bin/bash explicitly if using extensions,
YMMV...