Cisco

Cisco, often referred to as Cisco Systems, Inc., is a global technology corporation with its headquarters located in San Jose, California, USA. Renowned for its expertise in networking and IT infrastructure solutions, Cisco leads the industry with a diverse portfolio of products and services catering to networking, cybersecurity, collaboration, cloud computing, data center, and Internet of Things (IoT) applications.

For a more extensive list of commands used for configuration, please follow this link: Cisco Command Reference

Some general, but useful commands are:

Command	Short Form	Explanation
Configure terminal	conf t	Enter configuration mode
Show running config	show run	Show the current configuration
Copy running-config startup-config	copy run start / cop r s	Write/save the configuration (copy running to startup)
No shutdown	no shut	Specify that the interface should be enabled
Exit	ex	Exits the current layer
End	-	Exits all layers
IP address	ip add	Adds an IPv4 address to the current interface
IPv6 address	ipv6 add	Adds an IPv6 address to the current interface
Show IP route	sh ip route	View the IPv4 routing table for the current router
Show IPv6 route	sh ipv6 route	View the IPv6 routing table for the current router
Clear IP route *	-	Clear the IP routing table and force it to relearn routes