How do I hide the "open window icons" in the dock in OSX 10.10?

macos dock icon

I recently got my very first MacBook Pro. It has OSX 10.10 Yosemite on it.

After some time, though, I noticed that there are many icons accumulating in my dock that just represent open windows. Note that I do not mean the application icons themselves (see screenshot for clarification).

How can I disable these "open window" icons so that only application icons show up?

Bothersome icons:
enter image description here


Solution 1:

I actually found an answer to this question now.

Apparently, there is an option "Minimize windows into application icon" in System Preferences > Dock that will accomplish what I want.

The option mentioned:
enter image description here

Related

How to approve "Unapproved caller" whilst installing the software?
Why is htop producing different reports than Activity Monitor?
To install GNU Cut in OSX?
Immobilise Desktops
Using python screws up the shell (and/or terminal?)!
I want to make an Apple ID, but someone has already used my email to create their own. How do I kick them out completely?
Why am I getting "Error -1,752" when trying to save in Script Editor?
How to disable "iCloud Storage is Full" Messages on OS X
El Capitan Mail: How to cancel processes in Activity window?
How to disable the No SIM Card Installed warning in iPad when using it without SIM?
Multiple video track layers in iMovie?
Keep AirPlay toolbar icon permanently visible or hidden