_Debian_sid = DEBIAN_10_0 _Debian_buster = DEBIAN_10_0 _Debian_stretch = DEBIAN_9_0 _Debian_jessie = DEBIAN_8_0 _Debian_wheezy = DEBIAN_7_0 _Debian_squeeze = DEBIAN_6_0 _Ubuntu_eoan = UBUNTU_19_10 _Ubuntu_bionic = UBUNTU_18_04 _Ubuntu_xenial = UBUNTU_16_04 _Ubuntu_wily = UBUNTU_15_10 _Ubuntu_trusty = UBUNTU_14_04 _Ubuntu_raring = UBUNTU_13_04 _Ubuntu_quantal = UBUNTU_12_10 _Ubuntu_precise = UBUNTU_12_04 _Ubuntu_lucid = UBUNTU_10_04