编辑/etc/profile文件，在末尾添加如下代码，添加完成后保存退出，执行命令：source/etc/profile，退出当前终端，然后在/var/log/history目录下会显示用户名、IP地址和登录时间。filename生成一个文件historyUSER=`whoami`USER_IP=`who-uami2>/dev/null|awk'{print$NF}'|sed-e's/[()]//g'`if["$USER_IP"=""];thenUSER_IP=`hostname`fiif[!-d/var/日志/历史];thenmkdir/var/log/historychmod777/var/log/historyfiif[!-d/var/log/history/${LOGNAME}];thenmkdir/var/log/history/${LOGNAME}chmod300/var/log/history/${LOGNAME}fiexportHISTSIZE=4096DT=`date+"%Y%m%d_%H:%M:%S"`exportHISTFILE="/var/log/history/${LOGNAME}/${USER}@${USER_IP}_$DT"chmod600/var/log/history/${LOGNAME}/*history*2>/dev/无效的
