https://fengqi.me/unix/266.html zh-CN 原文地址：awk与cut在以空格为分割域时的区别awk默认以空格为分割域，比如我想获得某进程pid：[root@SHCTC-GAME12-44 ~]# ps -ef|grep "ssh... Thu, 01 Jan 1970 00:00:00 +0000 Thu, 01 Jan 1970 00:00:00 +0000