cat を利用
$ cat /etc/issue Ubuntu 22.04.1 LTS \n \l
lsb_releaseコマンド
lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.1 LTS Release: 22.04 Codename: jammy
cat を利用
$ cat /etc/issue Ubuntu 22.04.1 LTS \n \l
lsb_releaseコマンド
lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 22.04.1 LTS Release: 22.04 Codename: jammy