Related:

• down: 1. adj. Not operating. "The up escalator is down" is considered a humorous thing to say
  and "The elevator is down" always means "The elevator isn't working" and never refers to what floor the elevator is on....
• up adj. 1. Working, in order. "The down escalator is up.
  Oppose down. 2. `bring up': vt. To create a working version and start it....
• up: adj. 1. Working, in order. "The down escalator is up.
  Oppose {down}. 2. `bring up': vt. To create a working version and start it....
• crash 1. n. A sudden, usually drastic failure. Most often said of the system (q.
  v., sense 1), esp. of magnetic disk drives (the term originally described what happens when the air gap of a hard disk collapses)....
• boot v.,n. [techspeak; from `by one's bootstraps'] To load and initialize the operating system on a machine.
  This usage is no longer jargon (having passed into techspeak) but has given rise to some derivatives that are still jargon....
• System going down in 5 minutes.
• crash: 1. n. A sudden, usually drastic failure. Most often said of the {system} (q.
  v., sense 1), esp. of magnetic disk drives (the term originally described what happened when the air gap of a hard disk collapses)....
• bug n. An unwanted and unintended property of a program or piece of hardware, esp.
  one that causes it to malfunction. Antonym of feature....
• System going down in five minutes.