In case you have a keyboard without a “print screen” key (like Mac keyboard), it could be useful to redefine the key which will be used for your favorite screen capture.
By default, the Haiku operating system didn’t propose any sound media in the standard installation, even if there’s a nice function to play a sound at the system’s startup.
In case you need your favorite application to be accessible directly by typing its name in the Terminal, you will know how to master the PATH system variable.