I"m a bit confused by how to enter one command:

# sfdisk /dev/mmcblk0
/dev/mmcblk0p1:1,15000,6
/dev/mmcblk0p2:15001,,
/dev/mmcblk0p3:
/dev/mmcblk0p4:

Should there be returns after each line? Spaces? Or should it all be run together?

Thx