"Sneakernet" is an old jargon term used to describe the act of having to carry a computer file on a floppy disk or other media from a machine in one room to another.

FORBES: Share The Broadband Wealth

They also found a Compaq personal computer holding on its hard disk some two gigabytes of encrypted data.

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Finally the camera stores the compressed image file on anything from a flash memory card to a floppy disk for later downloading to a computer or printer.

FORBES: Technology briefing

Worse, I found that if DirecPC failed to update the site on my hard disk because of a glitch in its service, or I didn't leave my computer on, the news would be a day old.

CNN: Satellite access a mixed bag

If you have room left over on the iPod after transferring your music, you can use it as a portable hard disk, manually copying any computer file to its hard disk to back up files or move them to another Mac.

WSJ: Apple Brings Flair To Its MP3 Player