Meaning of OS
What Does OS Mean?OS means "Operating System".
Summary of Key Points
Definition for OSOS means "Operating System". This is the most common definition for OS on Snapchat, WhatsApp, Facebook, and Twitter. Here is some more information about OS:
2: Quite easy to guess
Adults and Teenagers
A Text with OS
Using OS on a Cell Phone (SMS Texts, Whatsapp, and Yubl)