The Cisco IOS is Cisco's key to help make information-intensive companies all over the world more productive. And ultimately, that is the greatest benefit that any internetwork can provide.
http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-110/13178-15.html
Just as enterprises invest in LAN network operating systems that can evolve as new hardware and applications are introduced, the Cisco IOS is a strategic investment that enables organizations to safeguard the future of their internetworks.
http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-110/13178-15.html
A network operating system (NOS) provides services to clients over a network. Both the client/server and peer-to-peer networking models use network operating systems, and as such, NOSes must be able to handle typical network duties such as the following:
http://www.computernetworkingnotes.com/comptia-n-plus-study-guide/network-operating-systems.html
1 In UNIX and Linux, not only can a user log in to the same system at the same time as other users, that user can log in multiple times on the same system as the same user without the operating system batting an eyelash (such things are often necessary when administrating a network, particularly when managing users).
http://www.computernetworkingnotes.com/comptia-n-plus-study-guide/network-operating-systems.html
• OPERATING SYSTEM (noun). The noun OPERATING SYSTEM has 1 sense: 1. (computer science) software that controls the execution of computer programs and may provide various services. Familiarity information: OPERATING SYSTEM used as a noun is very rare.
http://www.audioenglish.org/dictionary/operating_system.htm
Hyponyms (each of the following is a kind of operating system): disk operating system; DOS (an operating system that is on a disk). UNIX; UNIX operating system; UNIX system (trademark for a powerful operating system). Windows ((trademark) an operating system with a graphical user interface).
http://www.audioenglish.org/dictionary/operating_system.htm
UNIX, created originally by Bell Labs (under AT and T), is a powerful server operating system that can be used in peer-to-peer or client/server networks.
http://www.computernetworkingnotes.com/comptia-n-plus-study-guide/network-operating-systems.html
Introduction. Information is a strategic asset that can make or break a company's fortunes in today's global economy. Computer internetworks are the electronic highways upon which that information travels and they unify the world to create new and better ways of doing business.
http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-110/13178-15.html
Cisco IOS is the key differentiator that separates Cisco's internetworking solutions from other alternatives in the industry. Its value-added intelligence supports users and applications throughout the entire enterprise and provides security and data integrity for the internetwork.
http://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-110/13178-15.html
Meronyms (parts of operating system): executive program; supervisor; supervisory program (a program that controls the execution of other programs). Domain category: computer science; computing (the branch of engineering science that studies (with the aid of computers) computable processes and structures).
http://www.audioenglish.org/dictionary/operating_system.htm
what does network operating system mean
Network operating system is the software that controls the execution of computer programs and may provide various services. The network operating system is a software that controls the execution of computer programs and may provide various services.   Network operating system is a software that controls the execution of computer programs and may provide various services.