If you need to see the top 10 largest directories on your Linux system, you can use the following command:

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du -h --max-depth=1 / | sort -rh | head -n 11

Alternative

If you are okay to install additional software, then you can use a tool like ncdu to do the same, but with a lot more options and more features.

Installing ncdu

ncdu is a software package that standards for “NCurses Disk Usage” and is a disk utility tool for Unix based systems.

ncdu