In fiction, the 1973 Michael Crichton movie Westworld made an early mention of the concept of a computer virus, being a central plot theme that causes androids to run amok.

The science fiction novel, When Charlie Was One, by David General, contains one of the first fictional representations of a computer virus, as well as one of the first uses of the word 'virus' to denote a program that infects a computer.

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).

At the University of Illinois at Urbana-Champaign, a graduate student named Alan Davis (working for Prof.

The Reaper program was later created to delete Creeper. Creeper gained access via the ARPANET and copied itself to the remote system where the message 'I'm the creeper, catch me if you can!' was displayed.

Creeper infected DEC PDP-10 computers running the TENEX operating system. The Creeper system, an experimental self-replicating program, is written by Bob Thomas at BBN Technologies to test John von Neumann's theory.The first story written about a computer virus is The Scarred Man by Gregory Benford.The article is based on lectures given by von Neumann at the University of Illinois about the 'Theory and Organization of Complicated Automata' in 1949. John von Neumann's article on the 'Theory of self-reproducing automata' is published in 1966.

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