linux 一行命令获取开机时间

一行命令获取开机时间

命令：

w|awk 'NR==1'|awk -F ' ' '{ print $2" "$3$4$5 }'|awk '{ gsub(/\\,/," "); print $0 }'

效果如下：

~/Downloads> w|awk 'NR==1'|awk -F ' ' '{ print $2" "$3$4$5 }'|awk '{ gsub(/\\,/," "); print $0 }'
up 4days 2:18 
~/Downloads>