diff --git a/README.md b/README.md
index 0881eaaaf6a9c1d4a6b9265087ccf8950cbdec26..42434b5d23918a7bbd0b8c012761d88794395840 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,22 @@
+
+<!-- Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>. -->
+
+
 # ensalador
 
diff --git a/Relacoes.sh b/Relacoes.sh
index c139812a2b2f6ea03356f2b5235ecf99f5cf6f29..396c8e6ac227ef851a7ca83716fed9080a937592 100755
--- a/Relacoes.sh
+++ b/Relacoes.sh
@@ -1,3 +1,23 @@
+
+# Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+# This file is part of ensalador.
+
+# ensalador 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.
+
+# ensalador is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+
+
 #!/bin/bash
 arq=$1
 ########################################################
diff --git a/ensalador.js b/ensalador.js
index daee89a8b8a006836a958439600ce1d760c36056..a9c926b8f78eac2881ac1c911c690f85ba898f06 100644
--- a/ensalador.js
+++ b/ensalador.js
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 const async = require('async');
 
 const { exec } = require('child_process');
diff --git a/execute.sh b/execute.sh
index 58b806d1ecb88fd2e12f6d8dc48d68e4eba29b63..492602c5f3b0ba648ff04a8c7a758af0e1b295b5 100755
--- a/execute.sh
+++ b/execute.sh
@@ -1,3 +1,23 @@
+
+# Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+# Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+# This file is part of ensalador.
+
+# ensalador 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.
+
+# ensalador is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+
+
 #!/bin/bash
 
 echo "PA e PC"
diff --git a/include/database.hpp b/include/database.hpp
index a9bd823448ff2362666fce469dc607b3e84e2cd6..e29bf4585b2b7f65f25737aeda7a51dfc0199069 100644
--- a/include/database.hpp
+++ b/include/database.hpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/include/ensalador.hpp b/include/ensalador.hpp
index d0eed9e3b4e6781c258425ea03ae29d549e1935a..e337bfa35b632bff6e5ea4dbf0ea2e467dc459e7 100644
--- a/include/ensalador.hpp
+++ b/include/ensalador.hpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/include/others.hpp b/include/others.hpp
index 151d4f98ef812ee319baee6192d8c4837472faff..4c5d4fc90c37fe3d4644ac1b95e6630eaee92293 100644
--- a/include/others.hpp
+++ b/include/others.hpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/include/rooms.hpp b/include/rooms.hpp
index da4d2bcb3a44f17e3357e98cee5fedd1867c2183..ad5f12ec61d35bbe35134e449d10723591a465ac 100644
--- a/include/rooms.hpp
+++ b/include/rooms.hpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/src/database.cpp b/src/database.cpp
index cbe8f823787f0cec0d918ea0da904a975eb81002..b051f5e9fc40834f34179ef5269a7ea36b781360 100644
--- a/src/database.cpp
+++ b/src/database.cpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/src/ensalador.cpp b/src/ensalador.cpp
index dd95fbaa9f1c50c071bab0c867899c156e719959..fcd1ed9e16eedb0b1fb22334fa071ba46e5ef640 100644
--- a/src/ensalador.cpp
+++ b/src/ensalador.cpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/src/latex.cpp b/src/latex.cpp
index baf32ea1b43b422f08d879d139d79c476dc33d3e..aad1417842f5f758fd2dc801eb0823617a607a0c 100644
--- a/src/latex.cpp
+++ b/src/latex.cpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/src/main.cpp b/src/main.cpp
index e1423a8be94b7447e5467e62693f020fa0151951..9764c5ddac9c3daf25da05025057d9dc528928aa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>
diff --git a/src/rooms.cpp b/src/rooms.cpp
index 780f22323fd03bd59f870d11b649baf457e9d3a4..6e4f71d2e793721136c9a08e1eead31585196472 100644
--- a/src/rooms.cpp
+++ b/src/rooms.cpp
@@ -1,3 +1,23 @@
+/*
+Copyright (C) 2021 Centro de Computacao Cientifica e Software Livre
+Departamento de Informatica - Universidade Federal do Parana - C3SL/UFPR
+
+This file is part of ensalador.
+
+ensalador 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.
+
+ensalador is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with ensalador  If not, see <https://www.gnu.org/licenses/>.
+*/
+
 /*================================  LICENSE  ====================================
 # Copyright (C) 2017 - Centro de Computação Cientifica e Software Livre (C3SL)
 #    Clarissa Pereira <cdp13@inf.ufpr.br>