Give acl permission on linux

Question

How to give acl permission on linux in numerical mode?

Answer 1

Using chmod command

for instance chmod 777 <file name>

its for full permission of the file

read =4

write =2

execute=1

user group other

7 7 7

4+2+1 4+2+1 4+2+1

r+w+e r+w+e r+w+e

Other instance

We give permission to user to full and give group and other to just read and execute than

chmod 755 <file name>