diff --git a/README.md b/README.md
index 4271e1f..22f6f0a 100644
--- a/README.md
+++ b/README.md
@@ -120,6 +120,33 @@ Lets you change the read, write, and execute permissions on your files.
```bash
chmod -options filename
```
+Syntax : (for numericals role assignment)
+```bash
+chmod nnn /path/to/file
+```
+Where n is number from 0 to 7
+
+
Here,
+- First number is for Owner
+- Second number is for group
+- Third number is for Other
+
+
+Following number are used for permissions
+0 - no permissions
+1 - execute
+2 - write
+3 - write and execute
+4 - read
+5 - read and execute
+6 - read and write
+7 - read, write and execute.
+
+For example to provide full access to only Owner
+
+```bash
+chmod 700 path/to/file
+```
### c. `cp`
Copies a file from one location to other.