It depends, which operating system you are going to install, usually windows occupies more space than that of Linux operating systems. Windows can utilize upto 5GB space for all the installation files, whereas Linux eats much low space.
The could Servers run as Operating Systems. So the OS you will instal will be the cloud OS and not a regular one.
No Single OS is "best suitable for servers". The choice of an OS depends greatly on the planned uses : each OS has it's various merits, and deficiencies.
No, Opera's servers run on Linux.
It would be based on what os/platform you are running and what services are being provided.
92%
For graphic design and modeling, mostly likely Windows or Mac OS X. However, Linux is a major player in the CGI rendering field, when clusters of servers are needed to create the live-action 3D renders in modern movies.
320
18.75% of 16
31.5
I'd say this question isn't very specific, but PCs definitely use what can be called a "client" OS while servers use a "server" OS.
I wouldn't, as some servers say that they will ban you if you use cheats.
IBM System z servers are supported by a multitude of operating systems, such as z/OS, z/VSE, z/TPF, Linux on System z and the z/VM hypervisor.