TFIND searches for one or more strings (boolean AND) in a text file. TFIND reports all lines where the string(s) were found (or NOT found by option). The search can be limited to a field in a fixed field (i.e. column oriented) list

使用物理地址方式绕开mtd驱动进行nand flash的低级格式化和维护可以修复nand 坏块(不是物理损坏而是由于文件系统造成的坏块)