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

chmod 777Thus, 777 (111 111 111) is all permissions for everyone, while 700 (111 000 000) is all permissions only for the owner. Other combinations are also common: 666 (110 110 110) ischmod(string $filename , int $permissions ): bool Attempts to change the mode of the specified file to that given in permissions.