Linux hosts binding

Linux hosts binding Description: Execute vi hosts in the/etc directory, and then add the IP address to be bound. Operation Method: Step 1 -- $ su Step 2 -- password: /* enter the linux root User Password */step 3 -- # cd/etc Step 4 -- # vi hosts Step 5 -- press I Key Step 6 -- # I want to add a new ip123.456.789.12 www.helloworld.com/* enter the two lines on the hosts page, row 1st indicates what the ip address and domain name are for, and row 2nd indicates your ip address and domain name */step 7 -- Press esc key step 8 -- Enter: wq! The above are all the operation steps.