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Re: [cobalt-users] Deleting username.lock files



In a message dated 8/25/00 12:37:04 PM US Mountain Standard Time, 
steven-lists@xxxxxxxxxxxx writes:

> Are the files owned by root?  If so you'll need to do "su -" to become root 
> and
>  enter the admin password at the prompt.

Okay, I have to ask -- why the "-" after "su"?  I've always just typed "su" 
without the dash, and it works just fine.  What's the difference?