Tell us about yourself!
The 7 is the permissions for the Owner, First 5 is the permissions for the Group assigned and second 5 is the permissions for the every other user on the system.One number will be the equivalent of 777 so anyone can read, write,execute. For more info, open the terminal and enter "man chmod" it will show you the manual page for how to use chmod
DIY Quadcopter From Scratch
Paracord and Pulley Hanging Table