Sorts by size descending, shows top 15 entries + total. Parses both tab-separated and space-separated formats. Short output (< 15 lines) passes through
wc
Sorts by count descending, shows top 15 + total. Counts zero-entry files separately. Short output (< 15 lines) passes through
df
Strips snap/loop/squashfs/devtmpfs mounts. Keeps tmpfs only for /tmp. Removes the Filesystem (device) column to reduce noise