diff --git a/SUDO-4-TERMUX.md b/SUDO-4-TERMUX.md
index 23ff334..ff158f3 100644
--- a/SUDO-4-TERMUX.md
+++ b/SUDO-4-TERMUX.md
@@ -65,4 +65,23 @@ User root may run the following commands on localhost:
 
 root@localhost:~#
 ```
-sudo working...
\ No newline at end of file
+sudo working...
+
+# WHAT sudo DO ?
+
+**Binary package “sudo” in ubuntu:**
+
+ `sudo`
+
+Provide limited super user privileges to specific users
+ Sudo is a program designed to allow a sysadmin to give limited root
+ privileges to users and log root activity. The basic philosophy is to give
+ as few privileges as possible but still allow people to get their work done.
+ 
+ Many linux users allrdy know **sudo**,
+ but if u r new with linux sudo is mother for all kinda types of linuxes...
+
+Todays allmost evry android device runs under linux, 
+but if ur **no rooted no sudo ** use for u...
+ **termux app** makes this possible...
+