ROS

This [Disambiguationdisambiguation] article refers to the acronym ROS. See a separate article for the word Ros.

ROS may refer to:

Reparti i Operacioneve Speciale - a special forces unit in Albania
Revenue On-Line Service - a tax returns system used in Ireland
Run-of-Schedule (in Television)
return on sales - the fraction of profits to total sales revenue of a company
Reactive oxygen species - in biochemistry of light-pigment interaction
ReactOS - an open source project to develop an operating system compatible with Windows NT applications and drivers
Return of Saturn - the fourth album by rock-group No Doubt
Rugged Operating System - an operating system by RuggedCom.
Rosario International Airport, near Rosario, Argentina

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