Linux du

From John Freier
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du or Disk Usage is a tool used to find the amount of space used up. This is useful when trying to clean up space or just see what is taking up a lot.

The below command will show all the folders and how much space they use up.

 du -k ./*

The below command will show all the folders that have space greater than 500000 bytes.

 du -k ./* | awk '$1 > 500000'

The below command will show all the folder that have space greater then 500000 bytes and ordered.

 du -k ./* | awk '$1 > 500000' | sort -nr