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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 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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  1. ୈ5ճ WordBenchࡾୋˏϛλΧϑΣ LT
    ʙGPLͬͯͳʹʁʙ

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  2. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ᜊ໦߂थ
    IUUQTXXXGBDFCPPLDPNISLTBJLJ

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  3. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    גࣜձࣾNHO
    IUUQTXXXNHONF

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  4. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ࣭໰Ͱ͢ɻ

    View Slide

  5. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ʮ(1-ʯͬͯ
    ฉ͍ͨ͜ͱ͋Γ·͔͢ʁ

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  6. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ஌Βͳ͍
    ɾТɾʆ

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  7. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    Ͱ͢ΑͶʔɻ
    ɾТɾʆ

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  8. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    Ͱ͸ࠓ೔͓΅͑ͯ
    ؼΓ·͠ΐ͏ʂ

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  9. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ʮ(1-ʯͱ͍͏ͷ͸
    ɹϥΠηϯεͷछྨͷͻͱͭͰ͢ɻ

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  10. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    8PSE1SFTT͸
    (1-ϥΠηϯεͰ
    ഑෍͞Ε͍ͯ·͢ɻ

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  11. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    8PSE1SFTTΛར༻ͯ͠
    ࡞ͬͨϓϩμΫτ͸
    (1-ϥΠηϯε͕
    ٻΊΒΕ·͢ɻ

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  12. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ϥΠηϯεͬͯ
    ͲΜͳ΋ͷʁ
    ͦ΋ͦ΋

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  13. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    IUUQTKBXJLJQFEJBPSHXJLJιϑτ΢ΣΞϥΠηϯε
    ιϑτ΢ΣΞϥΠηϯε
    ιϑτ΢ΣΞϥΠηϯε (software license) ͸ɺίϯ
    ϐϡʔλͷιϑτ΢ΣΞʹ͍ͭͯɺιϑτ΢ΣΞར
    ༻ऀ͕९क͢΂͖ࣄ߲Λهࡌͨ͠จॻʢϥΠηϯεʣ
    Ͱ͋Δɻ
    ʰܖ໿ʱͱߟ͑Ε͹0,ʂ

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  14. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    (1-ϥΠηϯεͬͯ
    ͲΜͳ΋ͷʁ
    ͡Ό͋

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  15. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    IUUQTKBXJLJQFEJBPSHXJLJ(/[email protected]([email protected]@-JDFOTF
    (/6(FOFSBM1VCMJD-JDFOTF
    GNU General Public License(GNU GPL΋͘͠͸୯
    ʹGPLͱ΋)ͱ͸ɺGNUϓϩδΣΫτͷͨΊʹϦ
    νϟʔυɾετʔϧϚϯʹΑΓ࡞੒͞ΕͨϑϦʔι
    ϑτ΢ΣΞϥΠηϯεͰ͋Δɻ

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  16. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͳΔ΄ͲΘ͔ΒΜ
    ɾТɾʆ

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  17. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ୺తʹઆ໌͢Δͱ
    ⿏ͲΜͳ໨తʹ΋࢖༻͢Δࣗ༝
    ⿏ιʔείʔυΛݚڀ͠ɺվม͢Δࣗ༝
    ⿏ଞͷਓʹ࠶഑෍͢Δࣗ༝
    ⿏վมͨ͠΋ͷΛڞ༗͢Δࣗ༝
    ্هʮͭͷࣗ༝ʯ͕कΒΕΔϥΠηϯεͰ͢ɻ

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  18. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͲΜͳ໨తʹ΋࢖༻͢Δࣗ༝
    ⿏ྫ͑͹ʮެংྑଏʹ൓͢ΔαΠτʯͰ͋ͬͯ΋
    ɹ࢖͍͍ͬͯ
    ⿏ٯʹ࢖༻໨తΛ੍ݶͯ͠͸͍͚ͳ͍

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  19. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ιʔείʔυΛݚڀ͠ɺվม͢Δࣗ༝
    ⿏ιʔείʔυΛվมͯ͠΋0,
    ⿏ιʔείʔυ͸ެ։͞ΕΔલఏ
    ⿏ٯʹվม͞ΕΔ͜ͱΛ੍ݶͯ͠͸͍͚ͳ͍

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  20. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ଞͷਓʹ࠶഑෍͢Δࣗ༝
    ⿏ଞͷਓʹ࠶഑෍ͯ͠΋0,
    ⿏ೖखͨ͠ιʔείʔυΛެ։ͯ͠΋0,
    ⿏ٯʹ࠶഑෍Λ੍ݶͯ͠͸͍͚ͳ͍

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  21. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    վมͨ͠΋ͷΛڞ༗͢Δࣗ༝
    ⿏վมͨ͠΋ͷΛެ։ɾ࠶഑෍ͯ͠΋0,
    ⿏ڞ༗͞ΕΔͷΛ੍ݶͯ͠͸͍͚ͳ͍

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  22. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͳΜͰͦΜͳϥΠηϯεͰ
    ഑෍͢Δͷʁ
    ɾТɾʆ

    View Slide

  23. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    (1-Ͱ഑෍͢Δཧ༝
    ⿏ίϐʔϨϑτ
    ⿏ϓϩάϥϚʔ͕ιʔείʔυΛࣗ༝ʹ
    ɹར༻͠߹͏

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  24. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ίϐʔϨϑτ
    ⿏੍࡞෺ͷվม͞Εͨ΋ͷɾ೿ੜϓϩμΫτʹ
    ɹؔͯ͠΋ɺ΋ͱͷ੍࡞෺ͱಉҰͷࣗ༝ ࢖༻ɾ
    ɹվมɾ࠶഑෍ɾڞ༗ͷࣗ༝
    ΛೝΊͳ͚Ε͹
    ɹ͍͚ͳ͍
    ˠ(1-ͷ΋ͷΛϕʔεʹ࡞ͬͨΒͦΕ͸(1-

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  25. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    (1-8PSE1SFTTͭͷࣗ༝ͱϏδωεϞσϧ8PSE$BNQ5PLZP

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  26. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ϓϩάϥϚʔ͕ιʔείʔυΛࣗ༝ʹར༻͠߹͏
    ˠΦʔϓϯιʔεɾιϑτ΢ΣΞͷߟ͑
    ⿏Φʔϓϯιʔεɾιϑτ΢ΣΞͷߟ͑
    ⿏Φʔϓϯιʔειϑτ΢ΣΞΛಠ઎ͤͣ͞ɺ
    ɹΑΓ޿͘Φʔϓϯιʔειϑτ΢ΣΞΛൃల
    ɹ͍ͤͨ͞ͱͷ૝͍

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  27. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͑ʔΊΜͲ͍͘͞ʜ
    ɾТɾʆ

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  28. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    λμͰ഑ΕͪΌ͏Μ͡Ό
    ࢓ࣄɾ঎ചʹͳΒͳ͍Αʜ
    ɾТɾʆ

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  29. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͍͍͑ɻ
    ʉʔʉ
    Ŭźž

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  30. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ιʔείʔυΛެ։͢Δٛ຿
    ͕͋Δͷ͸ιϑτ΢ΣΞࣗମ
    ͷ഑෍ઌʹରͯ͠ͷΈ

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  31. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͭ·ΓɺҰൠతͳ
    ΫϥΠΞϯτϫʔΫͰ(1-ͷ
    ϓϩμΫτΛ੍࡞ͨ͠৔߹

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  32. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ΫϥΠΞϯτ͞Μʹରͯ͠͸
    ιʔείʔυͷ
    ެ։ͷٛ຿͕ൃੜ͠·͕͢

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  33. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ҰൠͷϢʔβʔʹ
    ιϑτ΢ΣΞΛ഑෍͍ͯ͠Δ
    Θ͚Ͱ͸ͳ͍ͷͰɺ
    ެ։͢Δٛ຿͸ൃੜ͠·ͤΜɻ

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  34. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    8PSE1SFTTͰ࡞ͬͨ΋ͷΛ
    (1-ʹ͢ΔϝϦοτ͋Δͷ
    ɾТɾʆ

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  35. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͪΌΜͱ͋Γ·͢ɻ
    ʉʔʉ
    Ŭźž

    View Slide

  36. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ϥΠηϯεΛਖ਼͘͠कΔ͜ͱͰ

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  37. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ɾެࣜσΟϨΫτϦʹܝࡌͰ͖Δ
    ɾެࣜͳίϛϡχςΟ׆ಈʹࢀՃͰ͖Δ
    ɾίϛϡχςΟͷԠԉ͕ಘΒΕΔ
    ɾެࣜΠϕϯτͰ঺հ͞ΕΔ͔΋ʁ
    ɾެࣜΠϕϯτͰ஻ΕΔʂ

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  38. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    Θ͔Βͳ͔ͬͨΒ
    ελοϑʹฉ͚͹͓Lʂ
    ʉʔʉ
    C

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  39. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ·ͱΊ
    ɾ8PSE1SFTT͸(1-
    ɾ8PSE1SFTTͰ࡞ͬͨϓϩμΫτ΋(1-
    ɾউखͳ੍ݶΛ͚ͭͯ͸μϝʂ
    ɾͨͩ͠ʮ഑෍ͨ͠৔߹ʯʹݶΒΕΔ
    ɾͪΌΜͱ͓࢓ࣄͰ࢖͑·͢Αʂ
    ɾϥΠηϯε͸ܖ໿Ͱ͢

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  40. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    (1-8PSE1SFTTͭͷࣗ༝ͱϏδωεϞσϧ
    ࢀߟʹͳΔεϥΠυɺϒϩάهࣄ
    ɾ
    8PSE$BNQ,BOTBJσβΠφʔ͕ײͨ͡l(1-zͱ8PSE1SFTT
    ɾ
    (1-
    ɾ
    ૊௕αΠτͷ࡞Γํ
    ɾ
    8PSE1SFTTςʔϚͷϥΠηϯεɺ(1-ͷ͓͸ͳ͠
    ɾ
    ͳͲ
    (/6ϥΠηϯεʹؔͯ͠Α͘ฉ͔ΕΔ࣭໰
    ɾ

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  41. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ༗ྉςʔϚൢചΛߦ͏ਓ͕஌͓ͬͯ͘΂͖͜ͱ
    ࢀߟʹͳΔεϥΠυɺϒϩάهࣄ
    ɾ
    ࢖͏αΠτ਺ʹΑֹͬͯۚΛม͑Δൢചํ๏ͱ(1-ɻҧ൓ͷݟ෼͚ํɻ
    ɾ
    8PSE1SFTTͷϥΠηϯεΛ෼͔Γ΍͘͢ղઆͨ͠
    ʮ͸͡Ίͯͷ(1-ʯ͕ެ։͞ΕΔ
    ɾ
    ͸͡Ίͯͷ(1-
    ɾ
    ͳͥ8PSE1SFTTςʔϚ͸(1-ϥΠηϯεͰ΋঎ച଍ΓಘΔ͔
    ɾ
    ͳͲ

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  42. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ
    ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ

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  43. ୈճ8PSE#FODIࡾୋˏϛλΧϑΣʙ(1-ͬͯͳʹʁʙ

    View Slide