Mailinglist Archive: opensuse (3318 mails)

[Aaron Kulkis <akulkis00@xxxxxxxxxx>]

Bill Anderson wrote:
> Anders Johansson wrote:
> > On Monday 07 January 2008 20:35:02 Bill Anderson wrote:
> >  
> > > The FHS document applies to Linux, not to Unix. The symbolic link of
> > > /bin to /usr/bin only exits in current Unix file system hierarchies. I
> > > just checked an AIX 5.3 system and a Solaris 10 system, both have this
> > > symbolic link.
> > >     
> >
> > Yes, I know some unix systems does it that way, but as I mentioned, 
> > it's not permitted under the FHS
> >   
> I don't know of a Unix distribution that abides by FHS. As I mentioned 
> before, Unix tends to use hard links rather than symbolic links. A 
> perfect example is vi, ex, edit, and vedit are all hard links to the 
> same inode.

That's because they have ALWAYS been the same executable.
Even the earliest BSD systems (on which ex/vi first appeared),
they have always been two personalities of the same executable.
That's who Bill Joy wrote it.

> > I think unix systems get away with it because they have virtually 
> > nothing in /usr/bin, they stick just about everything in /opt, don't 
> > they. So they can still have a small root partition, even while 
> > including /usr
> >   
> That was the intent, but it doesn't seem to old in practice. With AIX, a 
> lot of stuff gets put in the lpp directory with symbolic links from 
> other directories to the lpp directory. I have also seen symbolic links 
> in /usr/bin that point to /opt/bin. It was one of those ideas whose 
> implementation fell short of expectations.

Nothing in AIX should be regarded as typical on its own.
It's a horrid perversion of BSD.


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