[OT] Does "~" always point to $HOME?

[Bill Campbell]

On Thu, Jan 25, 2007, youshi10 at u.washington.edu wrote:
>Hello again,
>    I'm revising some documentation that has examples of running Unix 
>    commands and I want to make sure that my steps are correct, such that I 
>    can substitute the tilde character ('~') for $HOME. The only issue I 
>    can see with this is an improper configuration with sudo (ran into some 
>    problems with $HOME in the past using sudo on Gentoo), but I'm pretty 
>    sure that sudo's setup on the machine cluster properly.

That's true on most relatively modern shells, but not on pure
Bourne Shell, /bin/sh.

As for ``sudo'', ``sudo -'' invokes the login environment while a
plain ``sudo'' doesn't.

Bill
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