Host specification ================== PRRTE identifies hosts on which to launch processes by: #. A Resource Manager (RM) telling PRRTE which hosts to use #. The user providing a hostfile (also sometimes called a "machine file") #. The user providing a list of hosts on the command line The sections below describe each of these in more detail. .. toctree:: :maxdepth: 1 rm hostfiles cli relative-indexing