The old analogies between machines and human bodies are defunct.
Copying and pasting text between machines is not always available, either.
I like to transfer files between machines with a portable USB drive.
I.P. addresses are intended to be used to keep straight all the data that flows between machines.
Move2Mac includes a special U.S.B. cable and software that can move photos, documents, spreadsheets, folders and music files between machines.
If you can't find compatible software, hiring a computer support professional to move your files between machines is another option.
And although the bandwidth of connections between machines has improved steadily over the years, inside them it has lagged behind.
Before Ascii, computer manufacturers had their own systems for encoding letters and numbers, making it difficult or impossible to exchange data between machines from different computer makers.
Two summers ago, Daniel Molina, then 16, had his pelvis crushed while walking between machines at a San Antonio factory that makes fiberglass oil-field pipes.
iCloud Drive desktop can now sync files and folders on the desktop between machines and to iPhones or iPads, so everything not organised is accessible from multiple machines.
Mr. Fodor, who founded SetNet in Florida in 1993, said he was the first to offer a commercial product that could synchronize e-mail between machines.
