[leo@pc01 man3]$ pwd
/Programme/perl_module/term_readline_gnu/Term-ReadLine-Gnu-1.17/blib/man3
[leo@pc01 man3]$ touch Term::ReadLine::Gnu.3pm
touch: setting times of `Term::ReadLine::Gnu.3pm': No such file or directory
[leo@pc01 man3]$ su
Password:
[root@pc01 man3]# touch Term::ReadLine::Gnu.3pm
touch: setting times of `Term::ReadLine::Gnu.3pm': No such file or directory
[root@pc01 man3]# cd ..
[root@pc01 blib]# chown root:root man3
chown: changing ownership of `man3': Operation not permitted