Reorganized in 1984 as a privately held company, Fiserv transformed itself through a corporate acquisitions strategy resulting in more than 150 acquisitions during the following 25 years. Beginning as a $21 million business with 350 employees, by 2009 it had become a Fortune 500 company worth $4.7 billion with more than 19,000 employees.
GnuPG Signature/Key. GPG file is a GnuPG Signature/Key file. GnuPG, which stands for GNU Privacy Guard (GPG) is the GNU project's complete and free implementation of the OpenPGP standard as defined by RFC4880 .
1 On the command line, enter: gpg --gen-key.  You will see something like the following (in which username is your Network ID username and Machine is the name of the system): gpg (GnuPG) 2.0.14; Copyright (C) 2009 Free Software Foundation, Inc. This is free software: you are free to change and redistribute it.