# How to manage Flexnet Licensing in PBS Pro?

**URL:** <https://community.openpbs.org/t/how-to-manage-flexnet-licensing-in-pbs-pro/1025>\
**Category:** Users/Site Administrators\
**Created:** [June 7, 2018, 12:30pm UTC](https://community.openpbs.org/t/how-to-manage-flexnet-licensing-in-pbs-pro/1025 "2018-06-07T12:30:28Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![adarsh](https://avatars.discourse-cdn.com/v4/letter/a/f07891/32.png) [@adarsh](https://community.openpbs.org/u/adarsh)\
**Post date:** [July 12, 2018, 1:16pm UTC](https://community.openpbs.org/t/how-to-manage-flexnet-licensing-in-pbs-pro/1025/5 "2018-07-12T13:16:47Z")

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Those commands are specific PBS Pro OSS and PBS Pro commercial.  
PBS Pro OSS is available at this link : [http://www.pbspro.org/Download.aspx#download](http://www.pbspro.org/Download.aspx#download)  
Documentation: [Altair Product Documentation - Altair Community](https://pbsworks.com/SupportGT.aspx?d=PBS-Professional,-Documentation)  
PBS Pro OSS is not Torque

For your information:

> [@PBS Default number of nodes and number of cpus](http://community.openpbs.org/t/pbs-default-number-of-nodes-and-number-of-cpus/834/4):
>
> So a little history for your knowledge. PBS was originally developed for NASA under a contract project. 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 ac…

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