----------lsb_release -a----------
Distributor ID:	Linuxmint
Description:	Linux Mint 20.3
Release:	20.3
Codename:	una
----------/etc/lsb-release----------
DISTRIB_ID=LinuxMint
DISTRIB_RELEASE=20.3
DISTRIB_CODENAME=una
DISTRIB_DESCRIPTION="Linux Mint 20.3 Una"
----------/etc/os-release----------
NAME="Linux Mint"
VERSION="20.3 (Una)"
ID=linuxmint
ID_LIKE=ubuntu
PRETTY_NAME="Linux Mint 20.3"
VERSION_ID="20.3"
HOME_URL="https://www.linuxmint.com/"
SUPPORT_URL="https://forums.linuxmint.com/"
BUG_REPORT_URL="http://linuxmint-troubleshooting-guide.readthedocs.io/en/latest/"
PRIVACY_POLICY_URL="https://www.linuxmint.com/"
VERSION_CODENAME=una
UBUNTU_CODENAME=focal
----------/etc/debian_version----------
bullseye/sid