UNIX/FREEBSD- EDIT SUDOER FILE PERMISSION

1. Open Unix Server
2. Login as root (sudo su)
3. Type command:
   # setenv EDITOR ee
   # visudo
4. Add within this line to add new sudoer:
   ## User privilege specification
   root ALL=(ALL) ALL
   hassan ALL=(ALL) ALL
5. Press ESC to save & exit.
6. Done.