mkfs
Usage: mkfs [options] [-t type fs-options] device [size]
Options:
-t, --type=TYPE file system type, when undefined ext2 is used
fs-options parameters to real file system builder
device path to a device
size number of blocks on the device
-V, --verbose explain what is done
defining -V more than once will cause a dry-run
-V, --version output version information and exit
-V as version must be only option
-h, --help display this help and exit
For more information see mkfs(8).