Linux运维常用的几个命令介绍 1. 查看系统内核版本 [root@funsion geekxa]# cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m 显示了系统名称(CentOS)和内核版本(release 6.5)The file /etc/issue is a text file which contains a message or system identification to be printed befo…