Update README.md

README.md

@@ -37,5 +37,12 @@ If all goes well with the postgres setup, you should be able to login into the d
 ...
 
 ### Testing Zipr
+Test that the binary rewriting infrastructure by rewriting say /bin/ls
+```$PSZ /bin/ls ls.zipr```
+Invoke the rewritten version of /bin/ls: ```./ls.zipr``` 
 
-### Testing Zafl
\ No newline at end of file
+### Testing Zafl
+```
+cd $ZAFL_HOME/zfuzz/test/gzip
+./test_gzip.sh
+```