GNU file management utilities, version 4.1 The GNU file utilities have significant advantages over their Unix counterparts, such as greater speed, additional options, and fewer arbitrary limits. Among other enhancements, the GNU cp, mv, and ln commands can make backups of files that they are about to overwrite or remove. Utilities in this package are: chgrp ls chmod mkdir chown mkfifo cp mknod dd mv df rm dir rmdir dircolors shred du sync install touch ln vdir .