#5092
Check Flash (ChkFlsh for short) is a tiny and free app for testing and formatting flash drives, developed by Cherkes Mihail from Ukraine. In addition to surface testing, it also allows to check the speed of reading and writing, edit partition info, save and restore full drive and partition images, save and restore MBR, and perform full drive or partition data erasing.

#2900
Bad sector (bad track) is one of the most common failures of mechanical hard disk (HDD), which usually characterizes hard disk reads/writes slow, system prompts "... I/O error", program gives "cyclic redundancy check (CRC) error", etc. In these cases, we need use some specially designed tools to correctly detect whether our hard disk has had bad sectors or not, and nip in the bud.