Ubuntu 10.04 .. and .. CentOS 6
Each are 64-bit operating systems.
Depending on the the cloud provider you choose, your server will have one of these two operating systems.
You may view the operating system your server is running by typing the following from the command line:
You may view the bit version (32-bit or 64-bit) by typing the following from the command line:
NOTE: Unless you are running a very old server provisioned through the Standing Cloud platform, your server will be 64-bit.