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I simply run GrandPerspective (GUI app, https://grandperspectiv.sourceforge.net/ ), or dust (terminal app, https://github.com/bootandy/dust ), to give me an idea of what is going on with disk usage.
Thank you for this! I just downloaded it and identified over 50G of junk. It's just what I have been looking for to help manage my drive utilization.
Great tools!