Re: how is "exec" executed by a shell?

[Mandeep Sandhu <Mandeep_Sandhu@xxxxxxxxxxx>]

On Sun, 2005-01-09 at 07:47, Jim Bauer wrote:
> On Saturday 08 January 2005 16:10, Jaydeep Chokshi wrote:
> >
> > Now My confusion is as follows,
> >
> > $exit
> >
> > doin this shell exits right, How come shell shold exit
> > because 1st shell forked and had child process to
> > execute the 'exit' call and thats why exit terminates
> > but how this affect the shell to terminate, I mean it
> > is child process who executed the 'exit' call so why
> > then shell exits.
> 
> There is no fork() call.  exit is a shell builtin.  Running it, causes 
> the shell to terminate.
is exec also a shell built-in?
> 
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