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.
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.
Anders
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