
一。查看内核版本命令:
1)
root@SOR_SYS~
#cat/proc/version
Linuxversion2.6.18-238.el5(mockbuild@)(gccversion4.1.220080704(RedHat4.1.2-50))#1SMPSunDec1914:22:44EST2010
root@SOR_SYS~
2)
root@SOR_SYS~
#uname-r
2.6.18-238.el5
3)
root@SOR_SYS~
#uname-a

Linux2.6.18-238.el5#1SMPSunDec1914:22:44EST2010x86_64x86_64x86_64GNU/Linux
root@SOR_SYS~
二。查看linux版本:
1)登陆到服务器执行lsb_release-a,即可列举所有版本信息,比如:
root@SOR_SYS~
#lsb_release-a
LSBVersion::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
DistributorID:RedHatEnterpriseAS
Description:RedHatEnterpriseLinuxASrelease4(NahantUpdate4)
Release:4
Codename:NahantUpdate4
root@SOR_SYS~
注:这个命令适用于所有的linuxlinux查询版本命令linux查询版本命令linux移植,包括Redhat、SuSE、Debian等发行版。
2)登陆到linux执行cat/etc/issue,比如如下:
root@SOR_SYS~
#cat/etc/issue
RedHatEnterpriseLinuxServerrelease5.6(Tikanga)
Kernel\ronan\m
root@SOR_SYS~
3)登陆到linux执行cat/etc/redhat-release,比如如下:
root@SOR_SYS~

#cat/etc/redhat-release
RedHatEnterpriseLinuxASrelease4(NahantUpdate4)
root@SOR_SYS~
注:这些方法下可以直接看见具体的版本号,例如AS4Update1
4)登陆到linux执行rpm-qredhat-release,比如如下:
root@SOR_SYS~
#rpm-qredhat-release
redhat-release-5Server-5.6.0.3
root@SOR_SYS~
注:这些方法下可看见一个所谓的release号linux查看磁盘空间,例如上面的事例是5

这个release号和实际的版本之间存在一定的对应关系,如下:
redhat-release-3AS-1->RedhatEnterpriseLinuxAS3
redhat-release-3AS-7.4->RedhatEnterpriseLinuxAS3Update4
redhat-release-4AS-2->RedhatEnterpriseLinuxAS4
redhat-release-4AS-2.4->RedhatEnterpriseLinuxAS4Update1
redhat-release-4AS-3->RedhatEnterpriseLinuxAS4Update2
redhat-release-4AS-4.1->RedhatEnterpriseLinuxAS4Update3
redhat-release-4AS-5.5->RedhatEnterpriseLinuxAS4Update4
另:第3)、4)两种方式只对RedhatLinux有效
5)
root@SOR_SYS~

#file/bin/bash
/bin/bash:ELF64-bitLSBexecutable,AMDx86-64,version1(SYSV),forGNU/Linux2.6.9,dynamicallylinked(usessharedlibs),forGNU/Linux2.6.9,stripped
root@SOR_SYS~
6)
root@SOR_SYS~
#file/bin/cat
/bin/cat:ELF64-bitLSBexecutable,AMDx86-64,version1(SYSV),forGNU/Linux2.6.9,dynamicallylinked(usessharedlibs),forGNU/Linux2.6.9,stripped
root@SOR_SYS~
