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:\..
Parameter file types INIT.ORA/ PFILEs . PFILEs are also know as INIT.ORA files. Characteristics of a PFILE: Client side; Text file; Edit with text editor like vi or notepad; SPFILEs . Characteristics of an SPFILE: Server side; Binary file; Edit by issuing ALTER SYSTEM SET commands