ref: 52a367f3ea8b6fa256b2a9b0e52c5c2d557a9fc3 dir: /sys/src/cmd/aux/flashfs/mkit/
#!/bin/rc echo 0 0 0 0 0 16 16384 > fs.filectl 8.mkflashfs -n 16 -z 16384 -f fs.file