The operating system kernel can adjust how often it relies on swap through a configuration parameter known as swappiness.
To find the current swappiness settings, type:
Swapiness can be a value from 0 to 100. Swappiness near 100 means that the operating...
About Linux Swapping
Linux RAM is composed of chunks of memory called pages. To free up pages of RAM, a “linux swap” can occur and a page of memory is copied from the RAM to preconfigured space on the hard disk. Linux swaps allow a system to harness more memory than was originally physically...