Benefits of Linux

Security

 * No worms
 * No viruses
 * No trojan horses
 * No backdoors
 * No break-ins
 * No adware
 * No spyware
 * No ransomware

Efficiency

 * Runs extremely fast on recent hardware
 * Runs fast even on old hardware
 * Still runs on ancient hardware
 * Can run in 2 GB of RAM or less
 * Can run on a 30 GB SSD

Manageability
Ease of administration, security, defrag