404. That’s an error.

The requested URL /bookmarks/mark?op=edit&bkmk=http%3A%2F%2Fwww.macworld.com.au%2Fhelp%2Fmaster-the-command-line-navigating-files-and-folders-99524%2F&title=Master%20the%20command%20line%3A%20navigating%20files%20and%20folders&annotation=If%20you%E2%80%99ve%20been%20using%20a%20Mac%20for%20any%20length%20of%20time%2C%20you%20know%20that%20it%E2%80%99s%20more%20than%20just%20a%20pretty%20point-and-click%2C%20window-and-icon%20interface.%20Beneath%20the%20surface%20of%20OS%20X%20is%20an%20entire%20world%20that%20you%20can%20access%20only%20from%20the%20command%20line.%20Terminal%20%28in%20 was not found on this server. That’s all we know.