Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Stallman ya ƙaddamar da ma'anar copyleft, wanda ke amfani da ƙa'idodin dokar haƙƙin mallaka don adana haƙƙin amfani, gyara, da rarraba software kyauta, kuma shine babban marubucin lasisin software kyauta wanda ke bayyana waɗannan sharuɗɗan, musamman GNU General Public License (GPL), lasisin software kyauta da aka fi amfani da shi. A cikin 1989, ya kafa League for Programming Freedom. Tun daga tsakiyar 1990s, Stallman ya ɓatar da mafi yawan lokacinsa yana ba da shawara ga software kyauta, da kuma yaƙin neman zaɓe game da haƙƙin mallaka na software, gudanar da haƙƙin dijital (wanda ya ambata a matsayin gudanar da ƙuntatawa na dijital, yana kiran kalmar da ta fi dacewa da yaudara), da sauran tsarin doka da fasaha wanda ya gani kamar yadda yake ɗaukar 'yancin masu amfani. Wannan ya haɗa da yarjejeniyar lasisin software, yarjejeniyar rashin bayyanawa, maɓallan kunnawa, dongles, ƙuntata kwafi, tsarin mallakar mallaka, da binary executables ba tare da lambar tushe ba.  Tambaya: Me Stallman ya yi yakin neman zabe?
yarjejeniyar lasisin software, yarjejeniyar rashin bayyanawa, maɓallan kunnawa, dongles, ƙuntata kwafi, tsarin mallaka, da binary executables ba tare da lambar tushe ba