The meaning of the Acronym TOS is...

TOS is

• Type of Service
• Testing Operation System
• Terms Of Service
• Time Of Service
• Temporarily Out Of Service

More Meanings For TOS:

• TIROS Operational System
• Temporarily Out Of Stock
• Tosco Corporation
• Temporarily Out of Stock
• The Outdoor School
• Tasteless, Offensive Stupidity
• Taken Out and Shot
• Star Trek, The Original Series
• The Original Series
• Tales Of Symphonia
• Taken On Strength
• Top Of the Stack
• Top Of Stack
• Atari S T Self-extracting file archive file
• Teraflop Operating System

TOS is also in:

• Assembly
• Educational
• File Extensions
• Film Censorship
• General
• Law
• Media
• Music
• NYSE Symbols
• Ocean Science
• Products
• Sports