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第5回 WordBench三鷹@ミタカフェ LT 〜GPLってなに?〜
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Hiroki Saiki
June 23, 2018
Programming
580
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第5回 WordBench三鷹@ミタカフェ LT 〜GPLってなに?〜
第5回 WordBench三鷹@ミタカフェでのライトニングトーク『GPLってなに?』のスライドです。
Hiroki Saiki
June 23, 2018
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Transcript
ୈ5ճ WordBenchࡾୋˏϛλΧϑΣ LT ʙGPLͬͯͳʹʁʙ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ᜊ߂थ IUUQTXXXGBDFCPPLDPNISLTBJLJ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ גࣜձࣾNHO IUUQTXXXNHONF
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ࣭Ͱ͢ɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ʮ(1-ʯͬͯ ฉ͍ͨ͜ͱ͋Γ·͔͢ʁ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ Βͳ͍ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ Ͱ͢ΑͶʔɻ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ Ͱࠓ͓΅͑ͯ ؼΓ·͠ΐ͏ʂ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ʮ(1-ʯͱ͍͏ͷ ɹϥΠηϯεͷछྨͷͻͱͭͰ͢ɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ 8PSE1SFTT (1-ϥΠηϯεͰ ͞Ε͍ͯ·͢ɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ 8PSE1SFTTΛར༻ͯ͠ ࡞ͬͨϓϩμΫτ (1-ϥΠηϯε͕ ٻΊΒΕ·͢ɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ϥΠηϯεͬͯ ͲΜͳͷʁ ͦͦ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ IUUQTKBXJLJQFEJBPSHXJLJιϑτΣΞϥΠηϯε ιϑτΣΞϥΠηϯε ιϑτΣΞϥΠηϯε (software license) ɺίϯ ϐϡʔλͷιϑτΣΞʹ͍ͭͯɺιϑτΣΞར ༻ऀ͕९क͖͢ࣄ߲Λهࡌͨ͠จॻʢϥΠηϯεʣ Ͱ͋Δɻ
ʰܖʱͱߟ͑Ε0,ʂ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ (1-ϥΠηϯεͬͯ ͲΜͳͷʁ ͡Ό͋
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ IUUQTKBXJLJQFEJBPSHXJLJ(/6@(FOFSBM@1VCMJD@-JDFOTF (/6(FOFSBM1VCMJD-JDFOTF GNU General Public License(GNU GPL͘͠୯ ʹGPLͱ)ͱɺGNUϓϩδΣΫτͷͨΊʹϦ νϟʔυɾετʔϧϚϯʹΑΓ࡞͞ΕͨϑϦʔι
ϑτΣΞϥΠηϯεͰ͋Δɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͳΔ΄ͲΘ͔ΒΜ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ తʹઆ໌͢Δͱ ⿏ͲΜͳతʹ༻͢Δࣗ༝ ⿏ιʔείʔυΛݚڀ͠ɺվม͢Δࣗ༝ ⿏ଞͷਓʹ࠶͢Δࣗ༝ ⿏վมͨ͠ͷΛڞ༗͢Δࣗ༝ ্هʮͭͷࣗ༝ʯ͕कΒΕΔϥΠηϯεͰ͢ɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͲΜͳతʹ༻͢Δࣗ༝ ⿏ྫ͑ʮެংྑଏʹ͢ΔαΠτʯͰ͋ͬͯ ɹ͍͍ͬͯ ⿏ٯʹ༻తΛ੍ݶ͍͚ͯ͠ͳ͍
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ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ଞͷਓʹ࠶͢Δࣗ༝ ⿏ଞͷਓʹ࠶ͯ͠0, ⿏ೖखͨ͠ιʔείʔυΛެ։ͯ͠0, ⿏ٯʹ࠶Λ੍ݶ͍͚ͯ͠ͳ͍
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ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͳΜͰͦΜͳϥΠηϯεͰ ͢Δͷʁ ɾТɾʆ
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ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ίϐʔϨϑτ ⿏੍࡞ͷվม͞ΕͨͷɾੜϓϩμΫτʹ ɹؔͯ͠ɺͱͷ੍࡞ͱಉҰͷࣗ༝ ༻ɾ ɹվมɾ࠶ɾڞ༗ͷࣗ༝ ΛೝΊͳ͚Ε ɹ͍͚ͳ͍ ˠ(1-ͷͷΛϕʔεʹ࡞ͬͨΒͦΕ(1-
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ (1-8PSE1SFTTͭͷࣗ༝ͱϏδωεϞσϧ8PSE$BNQ5PLZP
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ϓϩάϥϚʔ͕ιʔείʔυΛࣗ༝ʹར༻͠߹͏ ˠΦʔϓϯιʔεɾιϑτΣΞͷߟ͑ ⿏ΦʔϓϯιʔεɾιϑτΣΞͷߟ͑ ⿏ΦʔϓϯιʔειϑτΣΞΛಠͤͣ͞ɺ ɹΑΓ͘ΦʔϓϯιʔειϑτΣΞΛൃల ɹ͍ͤͨ͞ͱͷ͍
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͑ʔΊΜͲ͍͘͞ʜ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ λμͰΕͪΌ͏Μ͡Ό ࣄɾചʹͳΒͳ͍Αʜ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͍͍͑ɻ ʉʔʉ Ŭźž
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ιʔείʔυΛެ։͢Δٛ ͕͋ΔͷιϑτΣΞࣗମ ͷઌʹରͯ͠ͷΈ
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ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ΫϥΠΞϯτ͞Μʹରͯ͠ ιʔείʔυͷ ެ։ͷ͕ٛൃੜ͠·͕͢
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ҰൠͷϢʔβʔʹ ιϑτΣΞΛ͍ͯ͠Δ Θ͚Ͱͳ͍ͷͰɺ ެ։͢Δٛൃੜ͠·ͤΜɻ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ 8PSE1SFTTͰ࡞ͬͨͷΛ (1-ʹ͢ΔϝϦοτ͋Δͷ ɾТɾʆ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ͪΌΜͱ͋Γ·͢ɻ ʉʔʉ Ŭźž
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ϥΠηϯεΛਖ਼͘͠कΔ͜ͱͰ
ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ ɾެࣜσΟϨΫτϦʹܝࡌͰ͖Δ ɾެࣜͳίϛϡχςΟ׆ಈʹࢀՃͰ͖Δ ɾίϛϡχςΟͷԠԉ͕ಘΒΕΔ ɾެࣜΠϕϯτͰհ͞ΕΔ͔ʁ ɾެࣜΠϕϯτͰΕΔʂ
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