diff --git a/Topic-1/README.md b/Topic-2-Warmup/README.md
similarity index 97%
rename from Topic-1/README.md
rename to Topic-2-Warmup/README.md
index f774108..aef8e25 100644
--- a/Topic-1/README.md
+++ b/Topic-2-Warmup/README.md
@@ -1,4 +1,4 @@
-# Topic 1 – Little warmup
+# Topic 2 – Little warmup
 
 ## Task
 
diff --git a/Topic-1/main.c b/Topic-2-Warmup/main.c
similarity index 100%
rename from Topic-1/main.c
rename to Topic-2-Warmup/main.c
diff --git a/Topic-1/test.sh b/Topic-2-Warmup/test.sh
similarity index 100%
rename from Topic-1/test.sh
rename to Topic-2-Warmup/test.sh
diff --git a/Topic-2/Makefile b/Topic-3-Forking/Makefile
similarity index 100%
rename from Topic-2/Makefile
rename to Topic-3-Forking/Makefile
diff --git a/Topic-2/README.md b/Topic-3-Forking/README.md
similarity index 97%
rename from Topic-2/README.md
rename to Topic-3-Forking/README.md
index 64c9dd6..36a4458 100644
--- a/Topic-2/README.md
+++ b/Topic-3-Forking/README.md
@@ -1,4 +1,4 @@
-# Topic 2 – Forking
+# Topic 3 – Forking
 
 ## Task 1
 
diff --git a/Topic-2/child_functions.c b/Topic-3-Forking/child_functions.c
similarity index 100%
rename from Topic-2/child_functions.c
rename to Topic-3-Forking/child_functions.c
diff --git a/Topic-2/child_functions.h b/Topic-3-Forking/child_functions.h
similarity index 100%
rename from Topic-2/child_functions.h
rename to Topic-3-Forking/child_functions.h
diff --git a/Topic-2/task_2_1.c b/Topic-3-Forking/task_2_1.c
similarity index 100%
rename from Topic-2/task_2_1.c
rename to Topic-3-Forking/task_2_1.c
diff --git a/Topic-2/task_2_2.c b/Topic-3-Forking/task_2_2.c
similarity index 100%
rename from Topic-2/task_2_2.c
rename to Topic-3-Forking/task_2_2.c
diff --git a/Topic-2/task_2_3.c b/Topic-3-Forking/task_2_3.c
similarity index 100%
rename from Topic-2/task_2_3.c
rename to Topic-3-Forking/task_2_3.c
diff --git a/Topic-2/task_2_4.c b/Topic-3-Forking/task_2_4.c
similarity index 100%
rename from Topic-2/task_2_4.c
rename to Topic-3-Forking/task_2_4.c
diff --git a/Topic-3/README.md b/Topic-4-Forking-2/README.md
similarity index 98%
rename from Topic-3/README.md
rename to Topic-4-Forking-2/README.md
index 8654c13..dab757e 100644
--- a/Topic-3/README.md
+++ b/Topic-4-Forking-2/README.md
@@ -1,4 +1,4 @@
-# Topic 3 – More forking
+# Topic 4 – More forking
 
 ## Task 1
 
diff --git a/Topic-3/task_3_1.c b/Topic-4-Forking-2/task_3_1.c
similarity index 100%
rename from Topic-3/task_3_1.c
rename to Topic-4-Forking-2/task_3_1.c
diff --git a/Topic-3/task_3_2.c b/Topic-4-Forking-2/task_3_2.c
similarity index 100%
rename from Topic-3/task_3_2.c
rename to Topic-4-Forking-2/task_3_2.c
diff --git a/Topic-3/task_3_3 b/Topic-4-Forking-2/task_3_3
similarity index 100%
rename from Topic-3/task_3_3
rename to Topic-4-Forking-2/task_3_3
diff --git a/Topic-3/task_3_3.c b/Topic-4-Forking-2/task_3_3.c
similarity index 100%
rename from Topic-3/task_3_3.c
rename to Topic-4-Forking-2/task_3_3.c
diff --git a/Topic-3/task_3_4.c b/Topic-4-Forking-2/task_3_4.c
similarity index 100%
rename from Topic-3/task_3_4.c
rename to Topic-4-Forking-2/task_3_4.c
diff --git a/Topic-4/README.md b/Topic-5-Pipes/README.md
similarity index 98%
rename from Topic-4/README.md
rename to Topic-5-Pipes/README.md
index bef6d7b..daa66fa 100644
--- a/Topic-4/README.md
+++ b/Topic-5-Pipes/README.md
@@ -1,4 +1,4 @@
-# Topic 4 – Pipes
+# Topic 5 – Pipes
 
 # Task 1
 
diff --git a/Topic-4/task_4_1.c b/Topic-5-Pipes/task_4_1.c
similarity index 100%
rename from Topic-4/task_4_1.c
rename to Topic-5-Pipes/task_4_1.c
diff --git a/Topic-4/task_4_2.c b/Topic-5-Pipes/task_4_2.c
similarity index 100%
rename from Topic-4/task_4_2.c
rename to Topic-5-Pipes/task_4_2.c
diff --git a/Topic-4/task_4_3.c b/Topic-5-Pipes/task_4_3.c
similarity index 100%
rename from Topic-4/task_4_3.c
rename to Topic-5-Pipes/task_4_3.c
diff --git a/Topic-4/task_4_4.c b/Topic-5-Pipes/task_4_4.c
similarity index 100%
rename from Topic-4/task_4_4.c
rename to Topic-5-Pipes/task_4_4.c