The Hayes command set, for instance, defines a single escape sequence, +++.
sequence | The Dillinger Escape Plan | Survival, Evasion, Resistance and Escape | Escape from Alcatraz (film) | Escape from Alcatraz | Limit of a sequence | Harold & Kumar Escape from Guantanamo Bay | Escape from Monkey Island | Escape | Thue–Morse sequence | The Escape Engine | sequence (poetry) | No Escape | main sequence | Frölicher spectral sequence | Ford Escape | Escape to the Country | Escape from the Planet of the Robot Monsters | A Clean Escape | Travel+Escape | The Chronicles of Riddick: Escape from Butcher Bay | Submarine Escape Immersion Equipment | Specker sequence | Sobol sequence | Shine-Dalgarno sequence | Sequence of Saint Eulalia | Sequence motif | Nucleic acid sequence | June 1962 Alcatraz escape | Escape to Athena |
In 1985, Dale Heatherington was issued a patent entitled "Modem with Improved Escape Sequence Mechanism to Prevent Escape in Response to Random Occurrence of Escape Character in Transmitted Data," and the patent was assigned to Hayes Microcomputer Products.