Usage:
 mkfs.minix [options] /dev/name [blocks]

Options:
 -1                      use Minix version 1
 -2, -v                  use Minix version 2
 -3                      use Minix version 3
 -n, --namelength <num>  maximum length of filenames
 -i, --inodes <num>      number of inodes for the filesystem
 -c, --check             check the device for bad blocks
 -l, --badblocks <file>  list of bad blocks from file
     --lock[=<mode>]     use exclusive device lock (yes, no or nonblock)

 -h, --help              display this help
 -V, --version           display version

For more details see mkfs.minix(8).