Shell Programming and Scripting

df -h | awk '$4 >= "90%" {print $0}' | awk '{print $6"\t\t\t"$5}'

>df -h

volumename:/vol/fas1_hostname_db/db_data2
                      100G   88G   13G  88% /u119
volumename:/vol/fas1__hostname_db/db_data3
                      100G   81G   20G  81% /u120
volumename:/vol/fas1_hostname_db/db_data4
                      100G   82G   19G  82% /u121
volumename:/vol/fas2_hostname_db/db_data5
                      250G  228G   23G  91% /u128

Linux:oracle:/home/db/scripts>df -h | awk '$4 >= "90%" {print $0}' | awk '{print $6"\t\t\t"$5}'
Mounted                 Use%
                             /u128

Mounted                 Use%
/u128                     91%

df -hP | awk '$5 >= "90" {print $6"\t\t"$5}'

df -h | sed 's/ //g' | awk -F "[G%]" '{ if ( $4 > 90) print;}'