On Debian systems, the complete text of the GNU Lesser General
Public License version 2 can be found in "/usr/share/common-licenses/LGPL-2". 

On Debian systems, the complete text of the GNU Lesser General
Public License version 2.1 can be found in "/usr/share/common-licenses/LGPL-2.1". 

On Debian systems, the complete text of the GNU Lesser General
Public License version 2.1 can be found in "/usr/share/common-licenses/LGPL-2.1". 

On Debian systems, the complete text of the GNU General
Public License version 2 can be found in "/usr/share/common-licenses/GPL-2". 

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:

-Redistributions of source code must retain the above copyright
 notice, this list of conditions and the following disclaimer.

-Redistribution in binary form must reproduct the above copyright
 notice, this list of conditions and the following disclaimer in
 the documentation and/or other materials provided with the distribution.

-Neither the name of Sun Microsystems, Inc. or the names of contributors
 may be used to endorse or promote products derived from this software
 without specific prior written permission.

This software is provided "AS IS," without a warranty of any kind. ALL
EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

You acknowledge that Software is not designed, licensed or intended for
use in the design, construction, operation or maintenance of any nuclear
facility. 

Comment: The last paragraph is to be interpreted as a warranty disclaimer, see https://lists.debian.org/debian-legal/2012/09/msg00034.html

On Debian systems the full text of the LGPL-3 can be found in
/usr/share/common-licenses/LGPL-3