admin

from Jargon File (4.4.4, 14 Aug 2003)
admin
 /ad.min'/, n.

   Short for `administrator'; very commonly used in speech or on-line to
   refer to the systems person in charge on a computer. Common
   constructions on this include sysadmin and site admin (emphasizing the
   administrator's role as a site contact for email and news) or
   newsadmin (focusing specifically on news). Compare {postmaster},
   {sysop}, {system mangler}.
    
from The Free On-line Dictionary of Computing (8 July 2008)
system administration
admin
sysadmin
system administrator

   <job> Activities performed by a system administrator (or
   "admin", "sysadmin", "site admin") such as monitoring security
   configuration, managing allocation of {user names} and
   {passwords}, monitoring disk space and other resource use,
   performing {backups}, and setting up new hardware and
   software.

   system administrators often also help users, though in a large
   organisation this may be a separate job.

   Compare {postmaster}, {sysop}, {system management}, {systems
   programmer}.

   [Other tasks?]

   (1999-05-02)
    

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