The System administrator reference article from the English Wikipedia on 24-Jul-2004
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System administrator

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A system administrator describes the role of a person whose job includes maintenance duties for the long-term support of a computer system.

Typical daily tasks for a system administrator include:

These more infrequent tasks are also an important part of a System Administrator's job: Typical responsibilities of a System Administrator: To call yourself a System Administrator (SysAdmin) is to sharply define yourself as different from the following roles commonly found in the IT industry: See also: BOFH, PFY, SAGE (organization).