Give Full Permission to owner user and owner group member but no permission to others...

We can change the permission of file/directory either character symbol method or numeric method.

Permission:

r-Read

w-Write

x-Execute Permission Category u- Owner User

g- Owner Group

o- Others

Operators

+ -> Add the Permissions

- ->Remove the Permissions = ->Assign the Permissions Numeric Method:

4 -> Read

2 -> Write

1 -> Execute

Total: 7, total for owner user, owner group member and for others: 777

1. chmod u+rwx /data

2 .chmod g+rwx /data

3. chmod o-rwx /data

or

chmod 770 /data

4 Verify the /data: ls -ld /data

5. You will get drwxrwx---