Related:

• 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)....
• postmaster: n. The email contact and maintenance person at a site connected to the Internet or UUCPNET.
  Often, but not always, the same as the {admin}....
• ysadmin /sis'ad-min/ n. Common contraction of `system admin'; see admin.
• ystem mangler: n. Humorous synonym for `system manager', poss.
  from the fact that one major IBM OS had a {root} account called SYSMANGR....
• postmaster n. The email contact and maintenance person at a site connected to the Internet or UUCPNET.
  Often, but not always, the same as the admin. The Internet standard for electronic mail (RFC-822) requires each machine to have a `postmaster' addre...
• ystem mangler n. Humorous synonym for `system manager', poss.
  from the fact that one major IBM OS had a root account called SYSMANGR....
• ib site: [by analogy with {backbone site}] n. A machine that has an on-demand high-speed link to a {backbone site} and serves as a regional distribution point for lots of third-party traffic in email and USENET news.
  Compare {leaf site}, {backbone site}. -- The AI Hackers Dictionary...
• op: /op/ n. 1. In England and Ireland, common verbal abbreviation for `operator', as in system operator.
  Less common in the U.S., where {sysop} seems to be preferred....
• backbone site: n. A key USENET and email site; one that processes a large amount of third-party traffic
  especially if it is the home site of any of the regional coordinators for the USENET maps....