Check your Linux distribution and version.
●For CentOS7 system
| [root@Lion ~]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) |
●For Fedora systems
| [root@Lion ~]# cat /etc/fedora-release |
●For Ubuntu systems
| [root@Lion ~]# cat /etc/lsb-release |
●For Debian systems
| [root@Lion ~]# cat /etc/debian_version |
●For SuSE Linux systems
| [root@Lion ~]# cat /etc/SuSE-release |
If you don't know the file name, look for a file with release in the /etc directory.
You will find a file named OS name+release.