如何查看Linux系统使用的版本信息

　　1：more /etc/issue 命令查看

　　1.1 Oracle Linux

　　代码如下:

　　[root@DB-Server ~]# more /etc/issueOracle Linux Server release 5.7Kernel r on an m

　　1.2 Centos Linux

　　代码如下:

　　[root@Centos2 ~]# more /etc/issueCentOS release 6.4 (Final)Kernel r on an m

　　1.3 RedHat Linux

　　代码如下:

　　[root@getlnx05 ~]# more /etc/issueRed Hat Enterprise Linux Server release 5.7 (Tikanga)Kernel r on an m

　　2: lsb_release -a 命令查看

　　2.1 Oracle Linux

　　代码如下:

　　[root@DB-Server ~]# lsb_release -a

　　LSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch

　　Distributor ID: EnterpriseEnterpriseServer

　　Description: Enterprise Linux Enterprise Linux Server release 5.7 (Carthage)

　　Release: 5.7

　　Codename: Carthage

　　2.2 Centos Linux

　　代码如下:

　　[root@Centos2 ~]# lsb_release -a

　　LSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch

　　Distributor ID: CentOS

　　Description: CentOS release 6.4 (Final)

　　Release: 6.4

　　Codename: Final

　　2.3 RedHat Linux

　　代码如下:

　　[root@getlnx05 ~]# lsb_release -a

　　LSB Version: :core-4.0-amd64:core-4.0-ia32:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-ia32:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-ia32:printing-4.0-noarch

　　Distributor ID: RedHatEnterpriseServer

　　Description: Red Hat Enterprise Linux Server release 5.7 (Tikanga)

　　Release: 5.7

　　Codename: Tikanga

　　3：cat /etc/redhat-release 命令查看

　　这个命令应该只有部分Linux可以查看，不是所有版本Linux都可以使用该命令

　　3.1 Oracle Linux

　　代码如下:

　　[root@DB-Server ~]# cat /etc/redhat-release

　　Red Hat Enterprise Linux Server release 5.7 (Tikanga)

　　[root@DB-Server etc]# cat /etc/*release

　　Enterprise Linux Enterprise Linux Server release 5.7 (Carthage)

　　Oracle Linux Server release 5.7

　　Red Hat Enterprise Linux Server release 5.7 (Tikanga)

　　[root@DB-Server etc]# ls /etc/*lease

　　/etc/enterprise-release /etc/oracle-release /etc/redhat-release

　　[root@DB-Server etc]#

　　3.2 Centos Linux

　　代码如下:

　　[root@Centos2 ~]# cat /etc/redhat-release

　　CentOS release 6.4 (Final)

　　[root@Centos2 ~]# cat /etc/*release

　　CentOS release 6.4 (Final)

　　LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch

　　CentOS release 6.4 (Final)

　　[root@Centos2 ~]# ls /etc/*release

　　/etc/centos-release /etc/lsb-release /etc/redhat-release /etc/system-release

　　[root@Centos2 ~]#

　　3.3 RedHat Linux

　　代码如下:

　　[root@getlnx05 ~]# cat /etc/redhat-release

　　Red Hat Enterprise Linux Server release 5.7 (Tikanga)

　　[root@getlnx05 ~]# cat /etc/*release

　　Red Hat Enterprise Linux Server release 5.7 (Tikanga)

　　[root@getlnx05 ~]# ls /etc/*release

　　/etc/redhat-release