diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..776f6ab2a1e493cfdecdbe40880b900f152459b5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+cours.pdf
+README.pdf
+cours.html
diff --git a/LICENSE.md b/LICENSE.md
new file mode 100644
index 0000000000000000000000000000000000000000..12ab03d6c2e41aad8e53ce4fa4fa53d232eff377
--- /dev/null
+++ b/LICENSE.md
@@ -0,0 +1,9 @@
+ Copyright (C)  2018  Orestis Malaspinas.
+
+
+ Permission is granted to copy, distribute and/or modify this document
+ under the terms of the GNU Free Documentation License, Version 1.3
+ or any later version published by the Free Software Foundation;
+ with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+ A copy of the license can be downloaded from:
+ https://www.gnu.org/licenses/fdl.html.
\ No newline at end of file
diff --git a/examens/.gitignore b/examens/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e83440565f7fa3485da6ea65f32fbefec2ce505d
--- /dev/null
+++ b/examens/.gitignore
@@ -0,0 +1,2 @@
+*.md
+*.pdf
diff --git a/exercices/.gitignore b/exercices/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/tp/.gitignore b/tp/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..a1363379944a5745ceb49c0e493d80eb9335c79a
--- /dev/null
+++ b/tp/.gitignore
@@ -0,0 +1 @@
+*.pdf