unable to su - oracle su: warning: cannot change directory to /home/oracle:
rajeyshMay 25 2011 — edited May 25 2011[root@localhost ~]# su - oracle
su: warning: cannot change directory to /home/oracle: Permission denied
su: /bin/bash: Permission denied
my operating system
[root@localhost ~]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 5.1 (Tikanga)
[root@localhost ~]#
[root@localhost ~]# uname -a
Linux localhost.localdomain 2.6.18-53.el5PAE #1 SMP Wed Oct 10 16:48:18 EDT 2007 i686 i686 i386 GNU/Linux
[root@localhost ~]#
please help us to resolve it.