$ lsb_release -h
Usage: lsb_release [options]
Options:
-h, --help show this help message and exit
-v, --version show LSB modules this system supports
-i, --id show distributor ID
-d, --description show description of this distribution
-r, --release show release number of this distribution
-c, --codename show code name of this distribution
-a, --all show all of the above information
-s, --short show requested information in short format
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.3 LTS
Release: 22.04
Codename: jammy
$ lsb_release -sc
jammy
$ lsb_release -sr
22.04
Use it in Shell Script
echo "deb http://apt.kubernetes.io/ kubernetes-$(lsb_release -sc) main kubernetes-$(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/kubernetes.list