cd  blib/man3/ 
touch Term::ReadLine::Gnu.3pm
touch: setting times of `Term::ReadLine::Gnu.3pm': No such file or directory
cd ..
ll
...
drwxr-xr-x 2 leo leo 4096 Jan 19 21:31 man3
..
chown root:root man3
chown: changing ownership of `man3': Operation not permitted