"Real" Shells

[Ron Natalie]

> You recently posted that 
>	PS1="."
> displays the current directory "...with any real shell".  Since it doesn't
> work with the Bourne shell on SysV R3.0, I wonder what you mean by a "real
> shell", C shell only????

Bourne shells are the only real shells.

$ PS1="."
.ls -ldi $PS1
65542 drwxr-xr-x 15 ron          4096 Feb  9 17:55 .

Looks like the current directory to me.

-Ron