4 Ways to Identify Who is Logged-In on Your Linux System
from: http://www.thegeekstuff.com/2009/03/4-ways-to-identify-who-is-logged-in-on-your-linux-system This article is written by Hari Haran. As a system administrator, you may want to know who is on the system at any given point in time. You may also want to know what they are doing. In this article let us review 4 different methods to identify who is on your…