PROBLEM:  I am angry with Cisco IOS messages in the middle of my comands!
SOLUTION:  Sync input and output.

[?] How to connect to Cisco router?
https://en.wikipedia.org/wiki/PuTTY

//Turn on sync

Router(config)# line vty 0 15
Router(config-line)# logging synchronous
Router(config)# line con 0
Router(config-line)# logging synchronous
Router(config)# line aux 0
Router(config-line)# logging synchronous

BEFORE

Router# sho
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1, changed state to up w  ip interface

AFTER

Router# sho
%LINK-5-CHANGED: Interface GigabitEthernet0/0/1, changed state to up
Router# show ip interface brief

Copy & Paste

conf t
line vty 0 15
logging synchronous
exit
line con 0
logging synchronous
exit
line aux 0
logging synchronous
end

Credit: https://www.cisco.com/c/en/us/td/docs/ios/fundamentals/command/reference/cf_book/cf_l1.html#wp1020534