Stop annoying message of “Translating..domain server” when wrong command is entered on Cisco

To stop DNS name translation

R(config)#no ip domain-lookup

You may press SHIFT + CTRL + 6 to cancel the translation right away.

Stop annoying live output messages on screen while typing

R(config)#line vty 0 4
R(config-line)#logging synchronous

Console output no longer interrupt while typing and automatically move to next tline