May 23, 2021 DOS Command learning manual
/q /u /s /n:sectors /f:size /c
/q parameter: Fast formatting, scanning only file allocation tables and root areas, valid only for formatted disks.
Use to make sure that no new bad ways are added after formatting.
/u parameter: unconditional formatting and not saving the information on the original disk can prevent "unformat".
/s parameter: Format as a system disk and you can also use the "sys" command.
/f:size size can be 160 180 320 360 720 1200 1440 2800
/n:sector n can be a single-sided disk in 1 format with a capacity of 160k 180k
360k disks can be formatted on a 5-inch high-tight drive for 4
It can be formatted for 8 sectors on a 5 inch high - tight drive.
/c Retest bad sectors, by default if a sector is marked as "bad", when the format is later not measured from the new
Try, mark only, and use "/C" from the new test.