diff --git a/Readme.md b/Readme.md
index ba020bf..b9e0bc9 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,5 +1,3 @@
-##Tester
-add ./client [PID] [Message] | ./client [PID] [Message]
-catch fsanitize signals 
-create line that replaces -Wextra with "-g -fsanitize=address"  
+# Tester
+add valgrind to tester
 check for -Wall -Werror -Wextra  
diff --git a/test.sh b/test.sh
old mode 100644
new mode 100755
index 1c3809b..01acd55
--- a/test.sh
+++ b/test.sh
@@ -6,7 +6,7 @@
 #    By: houtworm <codam@houtworm.net>              //   \ \ __| | | \ \/ /    #
 #                                                  (|     | )|_| |_| |>  <     #
 #    Created: 2023/02/20 12:46:46 by houtworm     /'\_   _/`\__|\__,_/_/\_\    #
-#    Updated: 2023/03/01 17:08:17 by houtworm     \___)=(___/                  #
+#    Updated: 2023/03/06 09:18:15 by houtworm     \___)=(___/                  #
 #                                                                              #
 # **************************************************************************** #
 
@@ -300,6 +300,17 @@ else
 fi
 sleep $SLEEP
 
+printf "\e[1;36mRunning client 20 times simultaniously\e[0;00m\n"
+./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890" | ./client $SERVER "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890"
+if [ $? -eq 0 ]
+then
+	printf "\e[1;32mSimiltanious test OK\e[0;00m\n"
+else
+	printf "\e[1;31mwrong return value with similtanious test\e[0;00m\n"
+	FAULTS=$(($FAULTS+1))
+fi
+sleep $SLEEP
+
 # Congratulations
 
 if [ $FAULTS -eq 0 ]