Occasionally a situation arises where you need to transfer a file to someone but you have forgotten your external hard drive or burnable disc. In these situations, you can set up a private network and use iChat to easily transfer the file. This is particularly useful when no Internet is present.
To transfer a file using iChat with no Internet, click on the AirPort icon and choose "Create Network." Name your network, choose a channel (or leave it on automatic) and decide whether or not you want a password. If you're in a public place, a password … Read more