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.
The conclusion is, that you can securely delete data from a VM in the exact same way as you would do on a real system. You need to take in consideration which file system the guest operating system uses, since it might use journals and such, and sensitive data can leak that way if you do not wipe the data correctly.