摘要: backgrounds:PPID : parent PIDecho $$ (show current shell PID)init process PID=1, it is started by kernelcommand: ps1. ps (show process relevant to cu... 阅读全文
posted @ 2014-12-28 13:46 一如当初 阅读(202) 评论(0) 推荐(0) 编辑