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linux怎么看系統版本

通用方法查看：

1、uname －a?? （linux查看版本當前操作系統內核信息）

Linux?localhost.localdomain?2.4.20-8?#1?Thu?Mar?13?17:54:28?EST?2003?i686?athlon?i386?GNU/Linux

2、cat /proc/version （Linux查看當前操作系統版本信息）

Linux?version?2.4.20-8?(bhcompile@porky.devel.redhat.com) (gcc?version?3.2.2?20030222?(Red?Hat?Linux?3.2.2-5))?#1?Thu?Mar?13?17:54:28?EST?2003

3、cat /etc/issue

Red?Hat?Enterprise?Linux?AS?release?4?(Nahant?Update?8) Kernel?/r?on?an?/m

RedHat系列查看：

1、cat /etc/redhat-release?

Red?Hat?Enterprise?Linux?AS?release?4?(Nahant?Update?8)

2、lsb_release -a

LSB?Version:?:core-3.0-ia32:core-3.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch Distributor?ID:?RedHatEnterpriseAS Description:?Red?Hat?Enterprise?Linux?AS?release?4?(Nahant?Update?8) Release:?4 Codename:?NahantUpdate8

Debian系列查看：

1、cat /etc/debian_version

9.0

2、cat /etc/os-release

PRETTY_NAME="Debian?GNU/Linux?9?(stretch)" NAME="Debian?GNU/Linux" VERSION_ID="9" VERSION="9?(stretch)" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/"

3、hostnamectl?

???Static?hostname:?debian ?????????Icon?name:?computer-vm ???????????Chassis:?vm ????????Machine?ID:?6866ec1d654b4a2ea52d591dc0146d82 ???????????Boot?ID:?51bfbc1e197b4d378e95073da0df0288 ????Virtualization:?xen ??Operating?System:?Debian?GNU/Linux?9?(stretch) ????????????Kernel:?Linux?4.9.0-1-amd64 ??????Architecture:?x86-64