The Free Software Foundation (FSF) is a not-for-profit organization founded by RichardStallman to promote FreeSoftware. Its main objective is the release of a completely free replacement for Unix, called GNU. GNU stands for “GNU’s Not Unix.”
Hostux.social hosts the FSF out of band notification account. Notification of service outages - planned and unplanned - are posted here.
GNU/Linux is an operating system combining the GNU System with the Linux kernel.