shell script to check mount point size in linux/solaries

The following shell script notifies you if any mount point is greater than 90% full
#!/bin/bash
df -h |tr "%" " " |sed -n '2,$p'| awk '{

if ( $5 > 90 ) {print $6,echo "filesystem is greater than 90% full";}

}'

Output will be something like below.
/orahome1 filesystem is greater than 90% full