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Echo chamber | Computerworld

Pilot fish will get a panicked telephone name from the central regulate manager at a hectic world airport. The VT420 dumb terminals are double-displaying each and every personality typed, in order that “exit,” as an example, is being displayed as “eexxiitt.” Of direction, when customers hit Enter after typing “exit,” they get an error message in regards to the unknown command “eexxiitt.”

The terminals are used to go into instructions to do issues similar to beginning up and closing down the central regulate instrument — thus the panic.

Fish takes a glance and sees that there’s a setup menu that allows you to regulate the habits of the terminal. One of the menu choices — about 3 ranges deep — is “Turn on Local Echo.” The sole objective of Local Echo is to copy each and every personality typed at the keyboard.

One orderly shutdown and instrument patch later, the issue is solved.

And a couple of days later, the “how” is defined in an e mail fish receives from the central regulate manager. Seems one of the most operators grew bored staring at the absolutely automatic gadget do its factor, so that they began hacking across the dumb terminal and by accident grew to become at the Local Echo characteristic. Oh, smartly, this stuff occur, proper?

Not if fish’s supervisor can lend a hand it. He offers fish the duty of documenting each and every terminal surroundings with their right kind values, to ship to the manager.

“That,” laments fish, “took about three hours of my time. No good deed goes unpunished, eh?”

Sseenndd yyoouurr ttrruuee ttaalle — oh, sorry! Sharky desires your true story of IT lifestyles. Send it to me at sharky@computerworld.com. You too can subscribe to the Daily Shark Newsletter and skim some nice outdated stories within the Sharkives.


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