Where to store wireless credential on Raspbian

Eric Internet of Things,

/etc/wpa_supplicant/wpa_supplicant.conf

Image result for raspbian

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1

network={
ssid=”wireless ID”
psk=”myPassword”
key_mgmt=WPA-PSK
}

network={
ssid=”wireless ID”
psk=”myPassword”
key_mgmt=WPA-PSK
}