chmod +s permission code example

Example 1: ubuntu chmod codes

7	read, write and execute	rwx	111
6	read and write	rw-	110
5	read and execute	r-x	101
4	read only	r--	100
3	write and execute	-wx	011
2	write only	-w-	010
1	execute only	--x	001
0	none	---	000

Example 2: chmod

chmod u=rwx,g=rx,o=r myfile

chmod 754 myfile

# 4 stands for "read",
# 2 stands for "write",
# 1 stands for "execute", and
# 0 stands for "no permission."