This question relates to a generic question on operating system resource management. There are many ways of managing memory, whether you are talking about 'working set sizes', page-able memory, segmented memory, etc.
If you are very curious about the exact algorithms used, check out the source code for the kernel to trace through the logic. The methods used by Ubuntu and other systems are too complex to be covered in a single question.
The Ubuntu Server is used to see how many of one server is being used in a specific area, and is also used as a web server. It shows symbols over places in America and Europe where people use it.
Ubuntu Server Edition is a free and open-source operating system for use in servers.
server
Answer: File
Ubuntu Server is an operating system that is the building-block software needed for a server computer to operate properly. The software can be downloaded for free from Ubuntu's web site and installed onto a portable USB drive or burned onto a CD prior to installation.
'Client server" is a generic term used to describe a network management type; Ubuntu is a specific version/distribution of the Linux operating system. Ubuntu can be installed as a client/server system if you wish.
Ubuntu server is a free download service. This is a very reliable program and has helped thousands to stabilize their computer programming. This would be a great asset.
server
Manages printers and print jobs
Ubuntu Server, RHEL, CentOS, SLES, and Debian.
Server
Clarity is the main advantage. Stable environment