[root@localhost Desktop]# rpm -ivh --force mozilla-nspr-1.7.13-1.4.1.centos4.i386.rpm
warning: mozilla-nspr-1.7.13-1.4.1.centos4.i386.rpm: V3 DSA signature: NOKEY, key ID 443e1821
Preparing...                ########################################### [100%]
   1:mozilla-nspr           ########################################### [100%]
[root@localhost Desktop]# rpm -ivh --force mozilla-nss-1.7.13-1.4.1.centos4.i386.rpm
warning: mozilla-nss-1.7.13-1.4.1.centos4.i386.rpm: V3 DSA signature: NOKEY, key ID 443e1821
Preparing...                ########################################### [100%]
   1:mozilla-nss            ########################################### [100%]
[root@localhost Desktop]# su atul
[atul@localhost Desktop]$ cd /usr/include/
[atul@localhost include]$ ls