Related:

• 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 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...
• 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.
• echo: [FidoNet] n. A {topic group} on {FidoNet}'s echomail system.
  Compare {newsgroup}. -- The AI Hackers Dictionary...
• Helen Keller mode: n. 1. State of a hardware or software system that is deaf, dumb, and blind, i.
  e., accepting no input and generating no output, usually due to an infinite loop or some other excursion into {deep space}....
• 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....
• echo [FidoNet] n. A topic group on FidoNet's echomail system. Compare newsgroup.
• infinite loop: n. One that never terminates (that is, the machine {spin}s or {buzz}es forever and goes {catatonic}).
  There is a standard joke that has been made about each generation's exemplar of the ultra-fast machine...
• peedometer: n. A pattern of lights displayed on a linear set of LEDs (today) or nixie tubes (yesterday, on ancient mainframes).
  The pattern is shifted left every N times the operating system goes through its {main loop}....