Explain what is a swap space? › Category: Linux › Explain what is a swap space? 0 Vote Up Vote Down Editor">Editor Staff asked 2 years ago Explain what is a swap space in Linux 1 Answers 0 Vote Up Vote Down Editor">Editor Staff answered 2 years ago Swap space is a certain amount of space used by Linux to temporarily hold some programs that are running concurrently. This happens when RAM does not have enough memory to hold all programs that are executing.