/usr/share/doc/bash/examples/ is in bash-doc 4.4.18-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/bash/examples/INDEX.html
/usr/share/doc/bash/examples/INDEX.txt
/usr/share/doc/bash/examples/complete/
/usr/share/doc/bash/examples/complete/bash_completion
/usr/share/doc/bash/examples/complete/bashcc-1.0.1.tar.gz
/usr/share/doc/bash/examples/complete/cdfunc
/usr/share/doc/bash/examples/complete/complete-examples
/usr/share/doc/bash/examples/functions/
/usr/share/doc/bash/examples/functions/array-stuff
/usr/share/doc/bash/examples/functions/array-to-string
/usr/share/doc/bash/examples/functions/autoload
/usr/share/doc/bash/examples/functions/autoload.v2
/usr/share/doc/bash/examples/functions/autoload.v3
/usr/share/doc/bash/examples/functions/basename
/usr/share/doc/bash/examples/functions/csh-compat
/usr/share/doc/bash/examples/functions/dirname
/usr/share/doc/bash/examples/functions/dirstack
/usr/share/doc/bash/examples/functions/exitstat
/usr/share/doc/bash/examples/functions/external
/usr/share/doc/bash/examples/functions/fact
/usr/share/doc/bash/examples/functions/fstty
/usr/share/doc/bash/examples/functions/func
/usr/share/doc/bash/examples/functions/inetaddr
/usr/share/doc/bash/examples/functions/inpath
/usr/share/doc/bash/examples/functions/isnum2
/usr/share/doc/bash/examples/functions/isvalidip
/usr/share/doc/bash/examples/functions/ksh-cd
/usr/share/doc/bash/examples/functions/ksh-compat-test
/usr/share/doc/bash/examples/functions/kshenv
/usr/share/doc/bash/examples/functions/login
/usr/share/doc/bash/examples/functions/notify.bash
/usr/share/doc/bash/examples/functions/seq
/usr/share/doc/bash/examples/functions/seq2
/usr/share/doc/bash/examples/functions/shcat
/usr/share/doc/bash/examples/functions/shcat2
/usr/share/doc/bash/examples/functions/sort-pos-params
/usr/share/doc/bash/examples/functions/substr
/usr/share/doc/bash/examples/functions/substr2
/usr/share/doc/bash/examples/functions/whatis
/usr/share/doc/bash/examples/functions/whence
/usr/share/doc/bash/examples/functions/which
/usr/share/doc/bash/examples/misc/
/usr/share/doc/bash/examples/misc/aliasconv.bash
/usr/share/doc/bash/examples/misc/aliasconv.sh
/usr/share/doc/bash/examples/misc/cshtobash
/usr/share/doc/bash/examples/scripts/
/usr/share/doc/bash/examples/scripts/cat.sh
/usr/share/doc/bash/examples/scripts/center
/usr/share/doc/bash/examples/scripts/inpath
/usr/share/doc/bash/examples/scripts/shprompt
/usr/share/doc/bash/examples/scripts/spin.bash
/usr/share/doc/bash/examples/scripts/xterm_title
/usr/share/doc/bash/examples/scripts/zprintf
/usr/share/doc/bash/examples/startup-files/
/usr/share/doc/bash/examples/startup-files/Bash_aliases
/usr/share/doc/bash/examples/startup-files/Bash_profile
/usr/share/doc/bash/examples/startup-files/Bashrc.bfox
/usr/share/doc/bash/examples/startup-files/README
/usr/share/doc/bash/examples/startup-files/bash-profile
/usr/share/doc/bash/examples/startup-files/bashrc