On Fedora, RHEL and its clones such as CentOS, Scientific Linux, Oracle Linux, you can find it using the following command: rpm -qi basesystem Sample output [[email protected] ~]# rpm -qi basesystemName : basesystemVersion : 10.0Release : 7.el7.centosArchitecture: noarchInstall Date: Thu 29 Mar 2018 05:05:32 PM ISTGroup : System Environment/BaseSize : 0License : Public DomainSignature : ...