06 2017 档案

摘要:either '$(foo)' or '${foo}' is a valid reference to the variable foo. This special significance of '$' is why you must write '$$' to have the effect o 阅读全文
posted @ 2017-06-09 16:19 glob 阅读(246) 评论(0) 推荐(0)
摘要:The /var/log/wtmp file records all logins and logouts. The /var/log/lastlog file records when each user last logged in. The /var/log/faillog file reco 阅读全文
posted @ 2017-06-08 15:52 glob 阅读(140) 评论(0) 推荐(0)