You can easily install rpm file with rpm -ivh

Code:
rpm -ivh file-package.name.rpm

To view rpm file contents

Code:
rpm -qlp file-package.name.rpm

To get info about rpm package itself

Code:
rpm -qip file-package.name.rpm

To extract or open rpm file in current directory:

Code:
rpm2cpio file.rpm | cpio -idmvls