Related:

• echo: [FidoNet] n. A {topic group} on {FidoNet}'s echomail system.
  Compare {newsgroup}. -- The AI Hackers Dictionary...
• ysop /sis'op/ n. [esp. in the BBS world] The operator (and usually the owner) of a bulletin-board system.
  A common neophyte mistake on FidoNet is to address a message to `sysop' in an international echo, thus sending it to hundreds of sysops around the world....
• Fight-o-net n. [FidoNet] Deliberate distortion of FidoNet, often applied after a flurry of flamage in a particular echo, especially the SYSOP echo or Fidonews (see 'Snooze).
• Fight-o-net: [FidoNet] n. Deliberate distortion of {FidoNet}, often applied after a flurry of {flamage} in a particular {echo}, especially the SYSOP echo or Fidonews (see {'Snooze}).
  -- The AI Hackers Dictionary...
• dup loop /d[y]oop loop/ (also `dupe loop') n. [FidoNet] An infinite stream of duplicated
  ear-identical messages on a FidoNet echo, the only difference being unique or mangled identification information applied by a faulty or incorrectly configured system or network gateway, thus rendering dup killers ineffective....
• dup loop: /d[y]oop loop/ (also `dupe loop') [FidoNet] n.
  An infinite stream of duplicated, near-identical messages on a FidoNet {echo}, the only difference being unique or mangled identification information applied by a faulty or incorrectly configured system or network gateway, thus rendering {dup killer}s ineffective....
• ysop: /sis'op/ n. [esp. in the BBS world] The operator (and usually the owner) of a bulletin-board system.
  A common neophyte mistake on {FidoNet} is to address a message to `sysop' in an international {echo}, thus sending it to hundreds of sysops around the world....
• dup killer /d[y]oop kill'r/ n. [FidoNet] Software that is supposed to detect and delete duplicates of a message that may have reached the FidoNet system via different routes.
• dup killer: /d[y]oop kill'r/ [FidoNet] n. Software that is supposed to detect and delete duplicates of a message that may have reached the FidoNet system via different routes.
  -- The AI Hackers Dictionary...