Lsb release -cs

lsb_release -cs
focal

lsb_release -cs
No LSB modules are available.
mantic

See also

• lsb_release, lsb_release --help, lsb_release -cs, /etc/*release, /etc/issue, hostnamectl, uname
• uname, uname -m, lsb_release, hostnamectl, sw_vers (macOS), winver, ver, busybox