Putty differentiate sessions

putty color

• this first obvious choice has the limit of eye strain, changing from white background and dark font in regular system, to dark background and white font in putty

windows name persistent

• https://www.storelocatorplus.com/putty-window-name-trick/

1) Go to the aforementioned Window/Behaviour/Window Title setting and put in a title that makes sense to you. ( recommend all CAPS)
2) Go to the Terminal/Features settings and check off the Disable remote-controlled window title changing box.

• Bonus, very nice name also in task bar
• Use it with Putty_color#MyChoice_workaround_system_colours_combined_with_Putty_differentiate_sessions.23windows_name_persistent

See also

• http://serverfault.com/questions/322997/how-do-you-make-it-obvious-you-are-on-a-production-system