11
System
Administration
Unix’s Hidden Cost
If the automobile had followed the same development as the com-
puter, a Rolls-Royce would today cost $100, get a million miles per
gallon, and explode once a year killing everyone inside.
—Robert Cringely, InfoWorld
All Unix systems require a System Administrator, affectionately known as
a Sysadmin. The sysadmin’s duties include:
- Bringing the system up.
- Installing new software.
- Administrating user accounts.
- Tuning the system for maximum performance.
- Overseeing system security.
- Performing routine backups.
- Shutting down the system to install new hardware.
- Helping users out of jams.
A Unix sysadmin’s job isn’t fundamentally different from sysadmins who
oversee IBM mainframes or PC-based Novell networks. But unlike these