Mailinglist Archive: opensuse (3318 mails)

[Jim Cunning <jcunning@xxxxxxxxxxxxxxx>]

On Tuesday 08 January 2008 12:00:14 Carlos E. R. wrote:
<SNIP>
> Ok, whatever you name them, the significance is that /usr is mounted
> separately above, as 'df' shows :-)
>
> > If you cannot mount /usr, then you get a mount failure. Depending on the
> > machine, one could a console message, or one just get to read the numbers
> > on an RS6000. To correct problems, I can always boot into the firmware.
> >
> > >  What does that unix do? Does it mount /usr readonly?
> >
> > The boot halts.
> > Under ForPro (another version of Unix for those who remember Fortune
> > Systems), the solution was that /usr/bin had a minimum set of utilities.
> > Of course, the mount of another "partition" on /usr meant then overlaid
> > those utilities.
>
> Aha. Which is precisely the point for having certain programs in Linux
> residing in /bin, and it not being a symlink to /usr. Linux handles better
> that situation, IMHO.
>
> What is the advantage of having that symlink, then? There surely must be
> something.
I confess I haven't followed this thread fully, but I think an advantage of 
symlinks here would be that a symlink can point to a file on a different 
filesystem/partition/slice/LV (or whatever one wants to call it).  Hard links 
must be on the same filesystem.

Jim
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