摘要： 楼主的提问：/oracle/ID1/saparch"|awk '{print $2}'what does print $2 means?The print $2 part does this.===================================================回答：Say we have a text file containing the following.bob 23 45 hellojim 12 88 byeIf we cat the file and do the awk print $2 thing, we get the 阅读全文