In Netscape Navigator, you can use the about: command to bring up a variety of information. Select File/Open Location, then enter about:cache to obtain a list of the files stored in your disk's cache. Enter about:image-cache to get a list of image files in your cache. Enter about:memory-cache for a list of all files in your memory cache. Enter about:global for a list of the places you've visited and when. Enter about:[URL] to see document information for any URL. Similarly, enter mocha: and you'll bring up a
JavaScript debugger.