04-13-2010
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Join Date: Nov 2009
Last Activity: 18 January 2011, 8:22 PM EST
Location: New Hampshire
Posts: 25
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I am not entirely clear what you are asking... Does this help?:
The "last" command will tell of previous entries.
"who", and specifically "who am i" will tell who you are. On my system, it tells the system that you are from. "who -m" is the equivalent and will allow you to (potentially) mix options with this.
In my case it tells the hostname because it *knows* the hostname - meaning it is resolvable (reverse and forward lookups work).