현재 리눅스 버전 확인
두가지 방법이 있다. 1. cat /etc/issueRed Hat Enterprise Linux Server release 6.2 (Santiago)Kernel \r on an \m 2.lsb_release -aLSB Version: :core-4.0-ia32:core-4.0-noarch:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-ia32:printing-4.0-noarchDistributor ID: RedHatEnterpriseServerDescription: Red Hat Enterprise Linux Server release 6.2 (Santiago)Release: 6.2Codename: Santiago