Apple’s release of an AirPort Utility app for iOS 5 lets you leave the desktop version behind for most base station configuration tasks. It’s free, and has the bonus of a graphic presentation of your network layout and connections among base stations. Glenn Fleishman has the details at Macworld. follow link
Untrash the Trash
Feeling trasher's remorse? On Snow Leopard, you can open the Trash (click the Trash icon in the Dock) and "untrash" individual items there. Select one or more trashed items (files and folders) and choose File > Put Back. This returns the items to where they were when you originally put them in the trash. The keyboard shortcut is Command-Delete - the same as the shortcut for trashing an item in the first place, since in deleting something from the trash you are untrashing it.
Use the New AirPort Utility App for iOS 5
Check out the Take Control ebooks that expand on the topic in this article: