Following simple 5 point table show how CentOS and Ubuntu are compared to each other.
| Features | Centos | Ubuntu |
| Package Command | RPM & Yum | APT-GET |
| Variant | Based on Red Hat Enterprise LinUx (RHEL) | Based on Debian |
| Percentage of websites using | 17.5% | 38.2% |
| Release Cycle | Long Period | Short Period |
| Security | Secure out of the box | Less secure compared to CentOS |
| Download Link | cetos.org/download | ubuntu.com/download/server |
