[CentOS] Bourne shell deprecated?

[wwp]

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.

FYI: https://en.wikipedia.org/wiki/Bourne_shell


Regards,

-- 
wwp
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