There are some programs that do not want to allow themselves to be interrupted or suspended; they want to process these
control characters directly, perhaps taking some intermediate action before terminating or suspending themselves.
If you use the wrong word length, the computer misunderstands most of the characters and may interpret some as
control characters (instructions to perform various functions).
Players will
control characters such as Steve McQueen's baseball-loving GI as they try to escape from the World War II prison camp.
have embedded
control characters for multiplexer control.
In async and bisync protocols, which are character-oriented, the line-handlers are always looking for recognizable
control characters, usually seven or eight bits long.
MK Trilogy, unleashed by GT Interactive for the PlayStation, lets you
control characters from previous incarnations, including fighters such as SubZero and Smoke plus a new one Rain - the purple-clad Ninja.