Ready to be published? LXer is read by around 350,000 individuals each month, and is an excellent place for you to publish your ideas, thoughts, reviews, complaints, etc. Do you have something to say to the Linux community?
Swap is a space on a disk that is used when the amount of physical RAM memory is full. When a Linux system runs out of RAM, inactive pages are moved from the RAM to the swap space. This tutorial explains how to add a swap file on CentOS 7 systems.