## 修改 /etc/profile

# PS1="`whoami`@`hostname`:"'[$PWD]'

history

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