1./etc/motd 操作:echo " Authorized users only. All activity may be monitored and reported " > /etc/motd 效果:telnet和ssh登录后的输出信息 2. /etc/issue和/etc/issue.net 操作:echo " Authorized users only. All activity may be monitored and reported " &
1.需求:linux使用shell命令查询结果前后批量追加内容 例如:我需要在当前目录下所有的css文件路径前追加域名 我想的是用sed替换去实现,鲍哥的思路是用for循环 1.1方法1:鲍哥的for循环 这是鲍哥的思路,我写出来后,鲍哥说很二. for i in `find . -type f -name '*.css'`;do echo 'http://www.baidu.com/css/'$i;done 1.2方法2:sed替换 find . -type f -name '*.css'|s