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Adam Volle is a freelance writer and editor based in Atlanta, Georgia. Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....HistoryRichard StallmanfreedomsoftwarepropagationRichard StallmanFree Software Foundationimplicationsopen sourceacronymfreewareIBMhardwareoperating systemLinuxmainframesmartphoneAndroidSUBSCRIBE
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