The Cisco IOS command-line interface (CLI) is the primary user interface used for configuring, monitoring, and maintaining Cisco devices. This user interface allows you to directly and simply execute Cisco IOS commands, whether using a router console or terminal, or using remote access methods.
Why does Cisco use CLI?
Most Cisco devices (including routers and switches) use a CLI (Command Line Interface) to configure the network device. The CLI is an interface, based on text. You type in configuration commands and use show commands to get the output from the router or switch.
What are the disadvantages of a command-line interface?
3. Command Line Interface
| Advantages | Disadvantages |
|---|---|
| This type of interface needs much less memory (RAM) in order to use compared to other types of user interfaces | Commands have to be typed precisely. If there is a spelling error the command will fail |
How do I enter a command line?
You can start a CLI session through a console connection, through Telnet, a SSH, or by using the browser. When you start a session, you begin in user mode, often called user EXEC mode. Only a limited subset of the commands are available in user EXEC mode.
What is Cisco IOS commands?
The Cisco IOS command-line interface (CLI) is the primary user interface used for configuring, monitoring, and maintaining Cisco devices. This user interface allows you to directly and simply execute Cisco IOS commands, whether using a router console or terminal, or using remote access methods.
Does IOS have a command prompt?
Terminal is a sandboxed command line environment for iOS that has over 30 commands currently available, covering many of the most used command line tools and commands you know and love, like cat, grep, curl, gzip and tar, ln, ls, cd, cp, mv, rm, wc, and more, all available right on your iPhone or iPad.