df -lk | awk '/^\//{ SUM += $3 } END { print SUM/2**20 " GiB" }' # Print out the total local disk space you are using.

By OK -
df -lk | awk '/^\//{ SUM += $3 } END { print SUM/2**20 " GiB" }' # Print out the total local disk space you are using.

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