Urgent : Postgresql Client for linux

Is there any Postgresql client software for linux to connect to Postgresql
database server on linux?
Can somebody please provide me with the links or the installables if they
have them already?

Thanks and Regards,
Kallol Nandi,
Systems Analyst,
Indus Software - A Division of R Systems International Ltd.,
Tidel Park, Taramani, Chennai-600113, India.
Phone: +91-44-22540014/6 Extn: 209
Fax: +91-44-22540017
Hand Phone: +91-9480222625
Email: Kallol(dot)Nandi(at)indussoft(dot)com
Visit us @ http://www.indussoft.com/
"The information in this email is confidential, and intended solely for the
addressee. Access to this email by anyone else is unauthorized. If you are
the addressee, the contents of this email are intended for your use only and
it must not be forwarded to any third party, without first obtaining written
authorization from the originator, or Indus Software. It may contain
information, which is confidential and legally privileged, and the same
shall not be used, or dealt with, by any third party, in any manner
whatsoever, without the specific consent of Indus Software.

The opinions expressed are those of the sender, and do not necessarily
reflect those of the Indus Software."