Program enhancements (1/3)

arp(8): -d -a deletes all entries
disklabel(8): improved interactive mode
dump(8): -e (eject tape automatically on tape change), improve support for file systems not in fstab
fdisk(8): display extended partitions
fsck(8): don't fsck partitions mounted read-write
ftp(1): add FEAT and OPTS, mreget