Well, if you have a cable handy, the easiest way to discern if it is capable of data transfer is to simply try to establish a connection between two devices.

Even with AirDrop's convenience for Mac users, transferring large files or navigating software incompatibilities often requires a more robust solution. Here are some options for using a cable.

Learn how to set up and use a VPN with just four easy steps. This step-by-step guide takes you through how you can secure your connection and online data.

Ron Nutter helps a user who wants to share his DSL connection between two computers.