lsb_release
apt-get install lsb-release
lsb_release -a
issue
cat /etc/issue
os-release
cat /etc/os-release
hostnamectl
hostnamectl
uname
uname
debian_version
cat /etc/debian_version
apt-get install lsb-release
lsb_release -a
cat /etc/issue
cat /etc/os-release
hostnamectl
uname
cat /etc/debian_version