Definitions for "Caldera"
A large basin-shaped volcanic depression that can form after an eruption if the volcano collapses through the roof of the emptied magma chamber. Potentially catastrophic eruptions of a "resurgent caldera" can occur when fresh magma reenters the collapsed magma chamber.
A large basin or depression resulting from a volcanic blast.
A large crater formed by the collapse of the summit cone of a volcano during an eruption.
Keywords:  microplate
Keywords:  suse, mandrake, redhat, cruz, sco
The former name of The SCO Group. Caldera was a successful Linux distribution developer based in Utah (like RedHat, SuSE, Mandrake). Caldera bought the Unix development part of The Santa Cruz Operation (SCO, aka old SCO) in 2000 and supposedly acquired the rights to certain portions of the original Unix operating system code base.