Accessing the Cisco NX-OS CLI
Like any other piece of computer hardware, Cisco switches need some kind of operating system (OS) software. Cisco calls this OS the Nexus Operating System (NX-OS).
Cisco NX-OS software for Nexus switches implements and controls logic and functions performed by a Cisco switch. Besides controlling the switch’s performance and behavior, Cisco NX-OS also defines an interface for humans called the command-line interface (CLI). The Cisco NX-OS CLI allows the user to use a terminal emulation program, which accepts text entered by the user. When the user presses Enter, the terminal emulator sends that text to the switch. The switch processes the text as if it is a command, does what the command says, and sends text back ...
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