All current Halyde shell commands:
  cat     Concatenates and prints a file.
  cd      Changes directory.
  clear   Clears the screen.
  cp      Copies a file.
  echo    Prints a message.
  fetch   Displays system information.
  help    Shows this.
  ls      Lists files.
  lua     Starts the Lua shell.
  mv      Moves/renames a file.
  rm      Deletes a file.

You can get additional information on any app or command by running:
  help [COMMAND]