Fainting is loss of consciousness caused by a temporary lack of oxygen to the brain. Known by the medical term syncope, fainting may be preceded by dizziness, nausea, or a feeling of extreme weakness.
GPFS is a commercial IBM closed source product that can provide a high performance, high available, and global filename space to your cluster. For more information on GPFS read the GPFS Concepts, Planning, and Installation Guide Version 1.2.
GPG is specifically a command line tool that enables you to encrypt and sign your data and communication and includes a key management system as well as access modules for all kind of public key directories.