综合辅导：Linux常用操作疑难解答（一）5

　　#echo "$R" >> /etc/issue

　　#echo "Kernel $(uname -r)　 on $a $(uname -m)" >> /etc/issue

　　#cp -f /etc/issue /etc/issue.net

　　#echo >> /etc/issue
数据载入中...

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