1. Alexander Gerasiov 12 2015, mod-sem@ 4.0 BY-SA 2. Disclaimer
IANAL: I am not a lawer 3. . , . , , , , , . 4. Disclaimer IANAL: I
am not a lawer - 5. , . ( ) ( ) 6. , , (, , . .) , , . 7. : ( ) ..
: , : . . 8. () : ; : , , ; : , ; : , , , . 9. () ( /) / ( ) , :
10. Copyright . Copyright (.) . , , copyright, () . 11. Public
domain , . 12. Fair use . / 13. . . . . 14. : , . XVIII , . XIX .
XX , . 50 XX ( , ) 70 . 1980 . 15. (, , ) , ( ) 16. Free/Libre Open
Source Software 1980 copyright law . 1983 Richard Matew Stallman
GNU 1985 Free Software Foundation, GNU Manifesto, Free Software
copyleft. 80x: GNU . 90x: : GNU/Linux, FreeBSD, NetBSD. 1997 Debian
Debian Social Contract, Debian Free Software Guidelines (DFSG).
2000: , . 17. RMS Richard Mattew Stallman Free as in Freedom : 0.
1. 2. 3. 18. Debian Free Software Guidelines 1.Free redistribution.
2.Inclusion of source code. 3.Allowing for modifications and
derived works. 4.Integrity of the author's source code (as a
compromise). 5.No discrimination against persons or groups. 6.No
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7.The license needs to apply to all to whom the program is
redistributed. 8.License must not be specific to Debian, basically
a reiteration of the previous point. 9.License must not contaminate
other software. 10.The GNU GPL, BSD, and Artistic licenses are
examples of licenses considered free. 19. Public domain BSD Apache
License GPL Creative Commons 20. Public domain public domain:
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license Copyright (c) , All rights reserved. Redistribution and use
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License 2.0 permissive . BSD , Apache License 2.0 . 25. Copyleft ,
. 26. GNU General Public License , . , . ( ), . , .. : GPL- 27.
Lesser GPL GPL LGPL- . 28. GPL This program is free software: you
can redistribute it and/or modify it under the terms of the GNU
General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option)
any later version. 1989 1 1991 2 Liberty or Death 2007 3 DRM, 29. .
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CC0 (CC Zero) Jurisdiction ports () , . 32. : BSD 3-clause and GPL
BSD 4-clause and GPL 33. Exceptions : OpenSSL , advertising clause
( old BSD) GPL , SSL. : GPL with OpenSSL excention : GnuTLS 34. ? :
, . 35. . . : . . 36. . , , . : LGPL | Commercial GPL | MPL 37. WEB
WEB SaaS , copyleft clause. GNU Affero General Public License 38. ,
, , . , GPLv2 GPLv3. 39. DRM/ . GPLv3 40. SCO Group vs GPL
GPL-violations.org Samsung D-Link Busybox 41. - , , . 42. -
Consultancy 43. Copyleft vs permissive Linux vs FreeBSD 44. . , / .
45. Copyleft vs. Permissive , , 46. COPYING LICENSE . : , . , . ( ,
.) 47. .1262 . . . 48. : GPL / LGPL Apache Creative Commons , .
