Unmounting partitions - Documentation for BMC Discovery 11.3

[tideway@appliance01 ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda7 965M 273M 643M 30% /
/dev/sda1 99M 17M 78M 18% /boot
/dev/sda6 1.5G 35M 1.4G 3% /home
/dev/sda5 1.9G 36M 1.8G 2% /tmp
/dev/sda8 38G 30G 6.7G 82% /usr
/dev/sda3 2.4G 617M 1.7G 27% /var
/dev/sdb2 1.9G 36M 1.8G 2% /mnt/old
/dev/sdc2 1.2G 37M 1.1G 4% /mnt/addm/data
tmpfs 1.5G 0 1.5G 0% /dev/shm
[tideway@appliance01 ~]$