I have data as below , I want to read only a specific column and compare it with some standard values , kindly assist.
/dev/sda2 4.9G 1.5G 3.2G 32% /
/dev/sda9 3.9G 46M 3.7G 2% /
/dev/sda7 20G 8.1G 11G 45% /
/dev/sda6 81G 31G 46G 41% /
/dev/sda3 49G 128M 46G 1% /
/dev/sdb2 224G 135G 78G 64% /
/dev/sda5 49G 2.5G 44G 6%
/dev/sda8 20G 5.7G 13G 31%