RE: Keybinding "yank 0th arg", "delete backward argument"

[Com MN PG P E B Consultant 3]

> > (1) yank 0th arg, similar to yank-last-arg, but copies the 
> command part
> > of the previous line
> > into the current buffer. Example: The previous line was
> >
> >   /usr/local/bin/perl myprog.pl
> >
> > then yank-0th-arg should insert /usr/local/bin/perl into the buffer.
> 
> M-0 M-. (digit-argument yank-last-arg)
> 
> > (2) delete-backward-argument, similar to delete-backward-word, but
> > should delete everything
> > to the left until the first white space.
> 
> C-w (unix-word-rubout)

Exactly what I was looking for!!!! Thank you very much!