"One of your primary responsibilities as system administrator is
communicating with the system users. You need to make
announcements, such as when the system will be down for
maintenance, when a class on some new software will be held, and
how users can access the new system printer. You can even start to
fill the role of a small local newspaper, letting users know about
new employees, RIFs, births, the company picnic, and so on.
"Different communications have different priorities. Information
about the company picnic in two months is not as time sensitive as
the fact that you are bringing the system down in 5 minutes..."