Before revision: Notable network operating systems include: Proprietary network operating systems AOS-CX, the network operating system used on the Aruba family of HP switched Cisco IOS, a family of network operating systems used on Cisco Systems routers and network switches.
After revision: Notable network operating systems include: Proprietary network operating systems AOS-CX, the network operating system used on the Aruba family of HP switches Cisco IOS, a family of network operating systems used on Cisco Systems routers and network switches.