Find biggest files

gistfile1.sh

cd /
du -hsx * | sort -rh | head -10
# du command -h option : display sizes in human readable format (e.g., 1K, 234M, 2G).
# du command -s option : show only a total for each argument (summary).
# du command -x option : skip directories on different file systems.
# sort command -r option : reverse the result of comparisons.
# sort command -h option : compare human readable numbers. This is GNU sort specific option only.
# head command -10 OR -n 10 option : show the first 10 lines.

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# Afterwards you can dig deeper per dir