Linux Command

Command	Content
mv(cp) /root/path/* /etc/	Move/ Copy
`i`	Modify
`? **`	Find
`wq`	Exit
`firewall-cmd --zone=public --list-all`	Find all firewall open ports
`ll`	All file information
`cd ..`	Return to the previous level
`firewall-cmd --zone=public --add-port=11206/tcp --permanent`	Open port
`firewall-cmd --reload`	Configuration takes effect
`:q!`	Exit without saving