Barium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.arium swallow is a dedicated test of the pharynx, oesophagus, and proximal stomach, and may be performed as a single or double contrast study.
up vote 9 down vote accepted. In Windows Azure Virtual Machine for Windows you can find drive C and D. Drive C is the boot OS disk and the size is actually the size of your VHD you have either uploaded or configured from the Gallery.
Â· just now. Report Abuse. VMWare is a program for what is referred to as virtualization, meaning it can run more than one operating system (such as Windows and Mac OS X) on the same machine, because the second operating system is running off of the first one. In other words, say you are on a Mac using VMWare to run Windows. Your Mac OS X is called the host OS because you are primarily using your Mac for OS X, it was installed first on your hard drive.