109
Ty Coon, President of Vice
That 's all t here is t o it !
GPL- 2
GNU GENERAL PUBLI C LI CENSE
Version 2, June 1991
Copyright ( C) 1989, 1991 Free Soft ware Foundat ion, I nc. 51 Franklin St reet , Fift h Floor, Bost on, MA 02110- 1301, USA
Everyone is perm it t ed t o copy and dist ribut e verbat im copies of t his license docum ent , but changing it is not allowed.
Pream ble
The licenses for m ost soft ware are designed t o t ake away your f reedom t o share and change it . By cont rast , t he GNU General
Public License is int ended t o guarant ee your freedom t o share and change free soft ware- - t o m ake sure t he soft ware is free for all
it s users. This General Public License applies t o m ost of t he Free Soft ware Foundat ion's soft ware and t o any ot her program whose
aut hors com m it t o using it . ( Som e ot her Free Soft ware Foundat ion soft ware is covered by t he GNU Lesser General Public License
inst ead.) You can apply it t o you r program s, t oo.
When we speak of free soft ware, we are referring t o freedom , n ot price. Ou r General Public Licenses are designed t o m ake sure
t hat you have t he freedom t o dist ribut e copies of free soft ware ( and charge for t his service if you wish) , t hat you receive source
code or can get it if you want it , t hat you can change t he soft ware or use pieces of it in new free program s; and t hat you know y ou
can do t hese t hings.
To prot ect your right s, we need t o m ake rest rict ions t hat for bid anyone t o deny you t hese right s or t o ask you t o sur render t he
right s. These rest rict ions t ranslat e t o cert ain responsibilit ies for you if you dist ribut e copies of t he soft ware, or if you m odif y it .
For exam ple, if you dist ribut e copies of such a program , whet her grat is or for a fee, you m ust give t he recipient s all t he right s t hat
you have. You m ust m ake sure t hat t hey, t oo, receive or can get t he source code. And you m ust show t hem t hese t erm s so t hey
know t heir right s.
We prot ect your right s wit h t wo st eps: ( 1) copyright t he soft war e, and ( 2) offer you t his license which gives you legal perm ission
t o copy , dist ribut e and/ or m odify t he soft ware.
Also, for each aut hor's prot ect ion and ours, we want t o m ake cert ain t hat everyone underst ands t hat t here is no warrant y for t his
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The precise t erm s and condit ions for copying, dist ribut ion and m odificat ion follow.
