Temporary

Temporary is a term that shows a finite period of time, with a clear beginning and an end. It is derived from the Latin temporarius "of seasonal character, lasting a short time," from tempus (gen. temporis) "time, season." It is the opposite of permanent. It could also mean any of the following:

 In computing:
temporary variable
temporary file
temporary folder (often named :/tmp or :/var/tmp on Unix-like systems)
temporary filesystem