The only way to make the computer work again was to reboot. Of course, before he left the room, the still existing process would create another copy of itself, and the problem wouldn't go away. Ian Stocks) to fix the problem, he examined the active processes, discovered the offending process, and deleted it. When users called in a system administrator (A. Of course, if they did delete a file, this process would immediately snatch up the available space. When users tried to save files, the operating system advised them that the disk was full and that they needed to delete some existing files. As a result, the process stole all available disk space. Donald Gillies) created a process on a PDP-11 that (a) checked to see if an identical copy of itself was currently running as an active process, and if not, created a copy of itself and started it running (b) checked to see if any disk space (which all users shared) was available, and if so, created a file the size of that space and (c) looped back to step (a).
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