How can I chmod 777 all subfolders of var?

chmod 777 777 means the file directory is granted read, write and execute permissions for all three user classes, including the owner, group members, and others.. 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.

download apk slot pt777, The command chmod.