history 의 상세 한 사용

vim /etc/profile
	USER_IP=`who -u am i 2>/dev/null|awk '{print $NF}' | sed -e 's/[()]//g'`
	if [ "$USER_IP" = "" ]
	 then
	 USER_IP=`hostname`
	 fi
	 if [ ! -d /tmp/dbasky ]
	 then
	 mkdir /tmp/dbasky
	 chmod 777 /tmp/dbasky
	 fi
	 if [ ! -d /tmp/dbasky/${LOGNAME} ]
	 then
	 mkdir /tmp/dbasky/${LOGNAME}
	 chmod 300 /tmp/dbasky/${LOGNAME}
	 fi
	 export HISTSIZE=4096
	DT=`date +"%Y%m%d_%H%M%S"`
	export HISTFILE="/tmp/dbasky/${LOGNAME}/${USER_IP}.dbasky.$DT"
	chmod 600 /tmp/dbasky/${LOGNAME}/*dbasky* 2>/dev/null
source /etc/profile
vim /etc/bashrc
	HISTFILESIZE=2000
	HISTSIZE=2000