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Portable Batch System (or simply PBS) is the name of computer software that performs job scheduling. Its primary task is to allocate computational tasks, i.e., batch jobs, among the available computing resources. It is often used in conjunction with UNIX cluster environments. PBS is supported as a job scheduler mechanism by several meta schedulers including Moab by (Cluster Resources ) (which became Adaptive Computing Enterprises Inc.)〔()〕 and GRAM (Grid Resource Allocation Manager), a component of the Globus Toolkit. ==History and versions == PBS was originally developed for NASA under a contract project that began on June 17, 1991. The main contractor who developed the original code was MRJ Technology Solutions. MRJ was acquired by Veridian in the late 1990s. Altair Engineering acquired the rights to all the PBS technology and intellectual property from Veridian in 2003. Altair Engineering currently owns and maintains the intellectual property associated with PBS, and also employs the original development team from NASA. The following versions of PBS are currently available: * OpenPBS — original open source version released by MRJ in 1998 (not actively developed) * TORQUE — a fork of OpenPBS that is maintained by (Adaptive Computing Enterprises, Inc. ) (formerly (Cluster Resources, Inc. )) * PBS Professional (PBS Pro) — the commercial version of PBS offered by Altair Engineering 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Portable Batch System」の詳細全文を読む スポンサード リンク
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