Chmod

chmod 777 Yes, it is dangerous to set chmod 777 permissions. You should only use chmod 755 for directories and chmod 644 for files. You should only. 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.

miliar777, chmod 777 -R .* ..[!.]* Bash has this command. shopt -s dotglob to also include hidden files in commands (shopt -u dotglob to disable that behaviour) if you want to stick to.