diff --git a/.gitignore b/.gitignore
index 911c317..3a2ab1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,8 @@
-simple_client
-simple_client.exe
-simple_server
-simple_server.exe
-proxy
-proxy.exe
-virtual_hosts
-virtual_hosts.exe
+000_simple_client
+000_simple_client.exe
+001_simple_server
+001_simple_server.exe
+002_proxy
+002_proxy.exe
+003_virtual_hosts
+003_virtual_hosts.exe
diff --git a/Makefile b/Makefile
index f3109c9..d559171 100644
--- a/Makefile
+++ b/Makefile
@@ -17,7 +17,7 @@ endif
 
 .PHONY: all clean example
 
-all: chttp.c chttp.h simple_client$(EXT) simple_server$(EXT) proxy$(EXT) virtual_hosts$(EXT)
+all: chttp.c chttp.h 000_simple_client$(EXT) 001_simple_server$(EXT) 002_proxy$(EXT) 003_virtual_hosts$(EXT)
 
 chttp.c chttp.h: $(wildcard src/*.c src/*.h) misc/amalg.py Makefile
 	python misc/amalg.py
@@ -26,4 +26,4 @@ chttp.c chttp.h: $(wildcard src/*.c src/*.h) misc/amalg.py Makefile
 	gcc $< chttp.c -o $@ $(CFLAGS) $(LFLAGS)
 
 clean:
-	rm chttp.c chttp.h simple_client simple_client.exe simple_server simple_server.exe proxy proxy.exe
+	rm chttp.c chttp.h 000_simple_client 000_simple_client.exe 001_simple_server 001_simple_server.exe 002_proxy 002_proxy.exe 003_virtual_hosts 003_virtual_hosts.exe
diff --git a/examples/simple_client.c b/examples/000_simple_client.c
similarity index 100%
rename from examples/simple_client.c
rename to examples/000_simple_client.c
diff --git a/examples/simple_server.c b/examples/001_simple_server.c
similarity index 100%
rename from examples/simple_server.c
rename to examples/001_simple_server.c
diff --git a/examples/proxy.c b/examples/002_proxy.c
similarity index 100%
rename from examples/proxy.c
rename to examples/002_proxy.c
diff --git a/examples/virtual_hosts.c b/examples/003_virtual_hosts.c
similarity index 100%
rename from examples/virtual_hosts.c
rename to examples/003_virtual_hosts.c