default shell in Ubuntu

[James Michael Fultz]

* Raseel Bhagat <raseelbhagat at gmail.com> [2009-11-09 12:19 +0530]:
> On Mon, Nov 9, 2009 at 11:46 AM, vsrk sarma <vsrksiva at gmail.com> wrote:
> 
> > First of all, pardon me for raising fundamental query.
> > I like now about default shell available in terminal mode.
> > It seems it is dash and NOT bash, as /usr/bin/sh links to /usr/bin/dash.
> > Is my premise correct?
> > If so in what way dash differs from bash?
> > Is any web link available to documentation on features and use of dash?
> >
> 
> I have found this wierd too.
> Although I did not find any discernible difference during normal user
> operations, (looks like dash reads the .bashrc file too ;-)),
> I got into some issues when compiling a source code.
> Unlinking /bin/sh and linking it to /bin/bash solved the problem for me.

System default shell does equal user's shell.

Have a look at '/etc/passwd' and the SHELL environment variable.