#history

    USER_IP=`who -u am i >/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`

    HISTDIR=/usr/share/.history

    if [ -z $USER_IP ]

    then

    USER_IP=`hostname`

    fi

    if [ ! -d $HISTDIR ]

    then

    mkdir -p $HISTDIR

    chmod  $HISTDIR

    fi

    if [ ! -d $HISTDIR/${LOGNAME} ]

    then

    mkdir -p $HISTDIR/${LOGNAME}

    chmod  $HISTDIR/${LOGNAME}

    fi

    export HISTSIZE=

    DT=`date +%Y%m%d_%H%M%S`

    export HISTFILE="$HISTDIR/${LOGNAME}/${USER_IP}.history.$DT"

    export HISTTIMEFORMAT="[%Y.%m.%d %H:%M:%S]"

    chmod  $HISTDIR/${LOGNAME}/*.history* 2>/dev/null