The /dev/sda4 partition has my OSX boot, and I don't wanna lose that. Is it okay if it isn't mounted? And are all these other partitions normal? I only partitioned once when installing Ubuntu.
harvey@harvey-MacBookPro:~$ df -H
Filesystem Size Used Avail Use% Mounted on
/dev/sda4 255G 6.2G 236G 3% /
none 4.1k 0 4.1k 0% /sys/fs/cgroup
udev 4.2G 4.1k 4.2G 1% /dev
tmpfs 828M 1.4M 827M 1% /run
none 5.3M 0 5.3M 0% /run/lock
none 4.2G 193k 4.2G 1% /run/shm
none 105M 50k 105M 1% /run/user
/dev/sda1 207M 22M 186M 11% /boot/efi
/dev/sda4
is mounted. It's really the only linux partition mounted...