[linux][ubuntu] 우분투 버전 확인,Ubuntu version check

fig1. title

우분투 버전 확인

1.cat /etc/issue

$ cat /etc/issue

fig2. output of cat /etc/issue

2. cat /etc/os-release

$ cat /etc/os-release

fig3. otput of cat /etc/os-release

 

ref: https://linuxize.com/post/how-to-check-your-ubuntu-version/