[CentOS] Bourne shell deprecated?

Wed Apr 27 08:13:07 UTC 2016
wwp <subscript at free.fr>

On Wed, 27 Apr 2016 10:08:10 +0200 wwp <subscript at free.fr> wrote:

> Hello all,
> 
> 
> On Tue, 26 Apr 2016 22:21:34 -0400 Digimer <lists at alteeve.ca> wrote:
> 
> > On 26/04/16 10:07 PM, John R Pierce wrote:  
> > > On 4/26/2016 6:45 PM, Jack Bailey wrote:    
> > >>
> > >> Today someone in a meeting claimed the Bourne shell is deprecated, one
> > >> of the reasons being it supposedly has security issues.  Well that's
> > >> all news to me, and I cannot find anything online to corroborate the
> > >> claim.  Is this true, is it a bash vs. Bourne FUD, or something else?     
> > > 
> > > there's no Bourne shell in CentOS anyways, /bin/sh is a symlink to
> > > /bin/bash...
> > > 
> > > last OS I can think of with an actual Bourne shell was Solaris.    
> > 
> > ??
> > 
> > [root at an-striker01 ~]# cat /etc/redhat-release
> > CentOS release 6.7 (Final)
> > 
> > [root at an-striker01 ~]# which bash
> > /bin/bash
> > 
> > [root at an-striker01 ~]# ls -lah /bin/bash
> > -rwxr-xr-x. 1 root root 885K Sep 22  2015 /bin/bash
> > 
> > [root at an-striker01 ~]# which sh
> > /bin/sh
> > 
> > [root at an-striker01 ~]# ls -lah /bin/sh
> > lrwxrwxrwx. 1 root root 4 Mar 27 18:40 /bin/sh -> bash
> > 
> > Same upstream on Fedora 23:
> > 
> >  0 root at pulsar:/home/digimer# cat /etc/redhat-release
> > Fedora release 23 (Twenty Three)
> > 
> >   0 root at pulsar:/home/digimer# which bash
> > /bin/bash
> > 
> >   0 root at pulsar:/home/digimer# ls -lah /bin/bash
> > -rwxr-xr-x. 1 root root 1.1M Jan 11 06:02 /bin/bash
> > 
> >   0 root at pulsar:/home/digimer# which sh
> > /bin/sh
> > 
> >   0 root at pulsar:/home/digimer# ls -lah /bin/sh
> > lrwxrwxrwx. 1 root root 4 Jan 11 06:02 /bin/sh -> bash  
> 
> There seems to be a big confusion in this thread.
> The Bourne shell has gone long time ago. The Bourne-Again shell is bash
> (which is GNU software). Bash is not the Bourne shell.

Sorry if I wrote too fast: s/has gone/was born/. The Bourne shell seems
to be still in use in FreeBSD.


Regards,

-- 
wwp
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