Mailinglist Archive: opensuse (3318 mails)

["Carlos E. R." <robin.listas@xxxxxxxxxxxxxx>]

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The Tuesday 2008-01-08 at 06:35 -0700, Bill Anderson wrote:

> > >  Bill Anderson wrote:
> >
> > > >   Bourne shell compatibility. You might also note that under Linux 
> > > >   it is /usr/bin/sh, /usr/bin/ksh, and /bin/bash.
> >
> >  No, not really:
> >
> >  cer@nimrodel:~> l /bin/sh /usr/bin/sh
> >  lrwxrwxrwx 1 root root 4 2007-11-03 02:13 /bin/sh -> bash*
> >  lrwxrwxrwx 1 root root 9 2007-11-03 02:13 /usr/bin/sh -> /bin/bash*
> >
> >  cer@nimrodel:~> l /bin/ksh /usr/bin/ksh
> >  lrwxrwxrwx 1 root root 16 2007-11-03 16:07 /bin/ksh -> /lib/ast/bin/ksh*
> >  lrwxrwxrwx 1 root root 16 2007-11-03 16:07 /usr/bin/ksh ->  /lib/ast/bin/ksh*
> >
> >  cer@nimrodel:~> l /bin/bash /usr/bin/bash
> >  ls: cannot access /usr/bin/bash: No such file or directory
> >  - -rwxr-xr-x 1 root root 604040 2007-09-22 00:16 /bin/bash*

> My original comment about /bin being linked to /usr/bin applied only to 
> Solaris, AIX, and HPUX. Yet, all the examples of why I am wrong are from 
> Linux. If you were on a Unix system, there would not be a /lib/ast/ksh, as 
> KornShell is in /usr/bin. The other difference you will notice is that AIX 
> now has bsh for Bourne Shell. Those who use Unix also notice the emphasis on 
> hard links in Unix versus symbolic links in Linux.

You said:

]>>>>   Bourne shell compatibility. You might also note that under Linux
]>>>>   it is /usr/bin/sh, /usr/bin/ksh, and /bin/bash.

Notice you speak in this paragraph about Linux, and that's the one I was
comenting about.


Also, notice that symbolic links are needed to cross partitions: that's 
why they are preferred sometimes (specially for files in /usr)

- -- 
Cheers,
       Carlos E. R.

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