sS diskSpaceEtcBot_diskSpace() {
  File f = userDir();
  //print("Using dir: " + f);
  long total = f.getTotalSpace();
  long usable = f.getUsableSpace();
  //print("Total/usable: " + total + "/" + usable);
  S a = "Server disk space: " + toM(usable) + " MB free of " + toM(total) + " MB.";
  if (!isWindows()) pcall {
    S[] inodes = toLines(backtick("df -hi " + bashQuote(f.getPath()))).get(1).split(" +");
    a += " Free inodes: " + inodes[3] + "/" + inodes[1];
  }
  ret a;
}