I have multiple accounts, and multiple devices sharing applications. To follow up the other responses, your App Store account can be separate from your iCloud, Messages, and FaceTime accounts. I use a separate account (Apple ID) for iTunes purchases than my iCloud account.
Running .EXE Files With WineHQ. From your Ubuntu command line type $ wine application.exe where application is replaced by the name of your .EXE file. This method will only work if your file is located in a path location. WineHQ gives these examples: Path=c:\windows;c:\windows\system;e:\;e:\test;f:\..
VMware snapshots also use .ctk files. Like .log and .nvram files, .ctk files are small. Other less-frequently seen file types include the .vmem virtual machine paging file and the .vmtm configuration file for team data. Like VMSN files, VMEM files back up a virtual machine's memory. They exist when the VM is running or in the event of a VM crash.