/usr/share/gap/pkg/io/example/ is in gap-io 4.5.1+ds-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gap/pkg/io/example/clientTCP.g
/usr/share/gap/pkg/io/example/clientUDP.g
/usr/share/gap/pkg/io/example/fork.g
/usr/share/gap/pkg/io/example/hashserver.g
/usr/share/gap/pkg/io/example/parlist1.g
/usr/share/gap/pkg/io/example/parlist2.g
/usr/share/gap/pkg/io/example/parmapreduce1.g
/usr/share/gap/pkg/io/example/partakefirst1.g
/usr/share/gap/pkg/io/example/partakefirst2.g
/usr/share/gap/pkg/io/example/parworkerfarm1.g
/usr/share/gap/pkg/io/example/popen2.g
/usr/share/gap/pkg/io/example/serverTCP.g
/usr/share/gap/pkg/io/example/serverUDP.g
/usr/share/gap/pkg/io/example/stringIO.g