NextGen TotalView for HPC Reference Guide : PART IV Platforms and Operating Systems : Chapter 9 Operating Systems : Swap Space : Swap Space on Linux
Swap Space on Linux
To find out how much swap space has been allocated and is currently being used, use either the swapon or top commands on Linux:
You can use the mkswap(8) command to create swap space. The swapon(8) command tells Linux that it should use this space.