/usr/ is in libestraier-perl 1.4.13-14ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.22/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Estraier/
/usr/bin/
/usr/bin/estcmd.pl
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.22/auto/Estraier/Estraier.so
/usr/lib/x86_64-linux-gnu/perl5/5.22/Estraier.pod
/usr/lib/x86_64-linux-gnu/perl5/5.22/Estraier.pm
/usr/share/
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/libestraier-perl
/usr/share/doc/
/usr/share/doc/libestraier-perl/
/usr/share/doc/libestraier-perl/examples/
/usr/share/doc/libestraier-perl/examples/example002.pl
/usr/share/doc/libestraier-perl/examples/example001.pl
/usr/share/doc/libestraier-perl/copyright
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/Estraier.3pm.gz
/usr/share/doc/libestraier-perl/changelog.Debian.gz