• switch to line-buffered output for non-tty terminals, bug #17
• Sun/Solaris port, bug #16
• LICENSE (GPL-v3) included into distribution, bug #15
• block-devices now optional, should helps future ports
• support for O_TMPFILE at Linux
• Key '-k' for keeping temporary file
• print at least three decimal digits
• support for pinging /dev/zero
• randomize data to avoid compression in ssd
• make strip target in makefile