Alternate Shells

[hosking at convexs.UUCP]

> A rather poor reason to limit the usefulness of chsh.  Haven't you
> heard about "block" (also known as "lock", etc.) a program which requires
> you to type in your password before letting you do anything?

Next joke, please.   Suffice it  to say  that "lock"  isn't nearly as
secure as  it might  lead you  to believe.   This  probably isn't the
place  to  go  into  the  details  of why,  but I  wouldn't trust the
standard "lock" to protect anything I valued.  

			Doug Hosking
			Convex Computer Corp.
			Richardson, TX
			{allegra, ihnp4, uiucdcs}!convex!hosking