$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 19.10 Release: 19.10 Codename: eoan
$ uname -a Linux EliteBook 5.3.0-40-generic #32-Ubuntu SMP Fri Jan 31 20:24:34 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ du --version du (GNU coreutils) 8.30 ==================================================================================== $ find /usr/bin -type f | wc -l 2234 $ find /usr/bin -type f -print0 | du -b --files0-from=- | wc -l 2222 $ du -b $( find /usr/bin -type f ) | wc -l 2222 $ find /usr/bin -type f -exec stat -c %s {} + | awk '{sum+=$1} END{ print sum}' 1296011570 $ find /usr/bin -type f -print0 | du -b --files0-from=- | awk '{sum+=$1} END{ print sum}' 1282350388 $ diff <( find /usr/bin -type f | sort ) <( find /usr/bin -type f -print0 | du --files0-from=- | cut -f 2 | sort ) 1231d1230 < /usr/bin/perl5.28.1 1233d1231 < /usr/bin/perlbug 1262d1259 < /usr/bin/pigz 1272d1268 < /usr/bin/pkg-config 1517,1518d1512 < /usr/bin/python3.6m < /usr/bin/python3.7 1619d1612 < /usr/bin/rb 1697d1689 < /usr/bin/rz 1727d1718 < /usr/bin/sb 1893d1883 < /usr/bin/sz 1932d1921 < /usr/bin/tiptop 1990d1978 < /usr/bin/unzip