How can I chmod 777 all subfolders of var?

chmod 777 You 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 10:51. View (u)ser, (g)roup and (o)thers permissions for chmod 777 (chmod a+rwx) or use free on chmod calculator to modify permissions easily.

leo777, The command chmod.