摘要：
tmp_=`mailq | grep -E "root" | awk '{print $1}'` for i in $tmp_;do postsuper -d $i;done postqueue -p or mailq 功能相同： postqueue: warning: Mail system is 阅读全文
摘要：
The why of the thing, that's the foundation. 做任何事之前都要先问问为什么 foundation [faʊn'deɪʃ(ə)n] n. 基础；地基；基金会；根据；创立 阅读全文