Linux Permissions Unraveled: How to Avoid 'chmod 777' and Keep

chmod 777You almost never need 777 permissions on any type of file, and you absolutely never need 777 on a non-executable file. – skiphoppy Commented Apr 4, 2012 at 10:51777 means User, Group, and Others all have full read, write, and execute permissions. However, granting such permissions can pose a security risk.